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Semiconductor Manufacturing Intl vs GigaDevice Semiconductor(Beiji: why the prices moved differently

Weekly · monthly · quarterly news summaries, side by side in time

Semiconductor Manufacturing Intl Co (688981.CG)

Q3 202621 Jul – 28 Sep 2026

▲3▼1

SMIC Q3: Strong Earnings, Policy Support, But Trade and AI Worries

Beijing Tech Support and Chip Priority Beijing pledged tech support and made chips a priority in its 2026–2030 plan, boosting investor confidence in SMIC's long-term growth.
Government policy support is a key driver of SMIC's outlook and stock sentiment.
Strong Financial Performance Q2 profit more than tripled to $479.2M on 36% revenue growth, with H1 profit up 94%, showing robust demand and pricing power.
Earnings growth directly reflects SMIC's fundamental strength and attracts investors.
Price Hikes and Shipment Growth SMIC raised wafer prices, saw average selling price rise 5.7% and shipments increase 14%, indicating strong market demand.
Pricing and volume growth are core operational metrics that drive revenue and profitability.
US Tariffs and AI Spending Worries US tariffs and concerns about AI spending triggered sell-offs, while China's July PMI fell to 49.2, signaling economic weakness.
External trade tensions and macroeconomic headwinds pressured SMIC's stock despite strong fundamentals.

September 202621 Aug – 28 Sep 2026

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SMIC profit surges, Beijing backs chips, but Nvidia and AI pause weigh

H1 profit nearly doubles on higher prices and volumes SMIC's first-half net profit rose 94% and second-quarter profit jumped over 228% from a year earlier, helped by selling more wafers at higher average prices and a better product mix. Strong earnings show the business is generating more cash, which supports the stock's value.
This is the core company-specific earnings news that directly supports the stock's fundamental value.
China's five-year plan boosts chip self-sufficiency Beijing's new 2026-2030 electronics plan makes chips a priority, aiming to grow domestic design and manufacturing. SMIC shares rose 4.2% in Shanghai on the news. Government support can mean more orders and funding for local chipmakers, helping the stock over time.
This is a new policy catalyst that directly benefits SMIC as China's largest chipmaker.
Report Beijing may allow Nvidia chip sales A report said Beijing is considering letting some Chinese firms buy Nvidia's advanced RTX Pro 5500 chips, which could reduce demand for SMIC's domestic chips. SMIC shares fell 3.7% on the news. If true, this adds competition and could pressure SMIC's sales and pricing.
This is a new competitive threat that directly affects SMIC's domestic demand outlook.
OpenAI training pause hits chip stocks OpenAI paused training its most advanced models for a safety review, causing Asian chip stocks to fall. SMIC dropped 3.6% as investors worried the pause could slow AI chip demand. This is a sentiment-driven pullback, but it highlights how sensitive chip stocks are to AI spending news.
This is a new negative event that directly moved SMIC shares and reflects AI demand risk.

Latest21 Aug – 28 Sep 2026

▲2▼2

SMIC profit surges, Beijing backs chips, but Nvidia and AI pause weigh

H1 profit nearly doubles on higher prices and volumes SMIC's first-half net profit rose 94% and second-quarter profit jumped over 228% from a year earlier, helped by selling more wafers at higher average prices and a better product mix. Strong earnings show the business is generating more cash, which supports the stock's value.
This is the core company-specific earnings news that directly supports the stock's fundamental value.
China's five-year plan boosts chip self-sufficiency Beijing's new 2026-2030 electronics plan makes chips a priority, aiming to grow domestic design and manufacturing. SMIC shares rose 4.2% in Shanghai on the news. Government support can mean more orders and funding for local chipmakers, helping the stock over time.
This is a new policy catalyst that directly benefits SMIC as China's largest chipmaker.
Report Beijing may allow Nvidia chip sales A report said Beijing is considering letting some Chinese firms buy Nvidia's advanced RTX Pro 5500 chips, which could reduce demand for SMIC's domestic chips. SMIC shares fell 3.7% on the news. If true, this adds competition and could pressure SMIC's sales and pricing.
This is a new competitive threat that directly affects SMIC's domestic demand outlook.
OpenAI training pause hits chip stocks OpenAI paused training its most advanced models for a safety review, causing Asian chip stocks to fall. SMIC dropped 3.6% as investors worried the pause could slow AI chip demand. This is a sentiment-driven pullback, but it highlights how sensitive chip stocks are to AI spending news.
This is a new negative event that directly moved SMIC shares and reflects AI demand risk.

August 20263 Aug – 14 Aug 2026

▲3▼1

SMIC profit triples on AI demand, raises wafer prices

Q2 profit more than triples, revenue tops $3B SMIC's second-quarter profit more than tripled to $479.2 million, nearly double analyst estimates, and revenue rose 36% to over $3 billion. AI-related chip demand stayed strong, and management expects it to keep driving orders in the second half. This directly boosts earnings and supports the stock price.
This is the core new event that explains why SMIC is moving right now.
SMIC raises wafer prices on strong AI demand SMIC said it raised prices for its most sought-after capacity after customer talks, and will charge more for wafers made in the third quarter. Average selling price rose 5.7% and shipments rose 14% from the prior quarter. Higher prices lift revenue and profit, pushing the stock up.
Price increases are a direct new driver of future revenue and profit.
Record Q2 revenue and strong Q3 guidance SMIC and rival Hua Hong both posted record second-quarter revenue, with SMIC guiding third-quarter revenue up 2% to 4% from the second quarter. The company is adjusting capacity and speeding up new production lines to ease industry-wide supply constraints. This signals continued growth and supports the stock.
Forward guidance and capacity expansion show the upcycle is continuing, which matters for the stock's direction.
Weak China manufacturing data and AI stock sell-off On August 3, China's manufacturing PMI fell to 49.2 in July, below the 50 level that separates growth from contraction, and a global sell-off in AI tech stocks dragged SMIC down 6.04% in one session. Weak economic data and nervousness about AI spending can pressure the stock, though it rebounded later in the period.
This is the main counterweight in the period, showing the stock is not immune to macro and sentiment shocks.

3 Aug – 14 Aug 2026

▲3▼1

SMIC profit triples on AI demand, raises wafer prices

Q2 profit more than triples, revenue tops $3B SMIC's second-quarter profit more than tripled to $479.2 million, nearly double analyst estimates, and revenue rose 36% to over $3 billion. AI-related chip demand stayed strong, and management expects it to keep driving orders in the second half. This directly boosts earnings and supports the stock price.
This is the core new event that explains why SMIC is moving right now.
SMIC raises wafer prices on strong AI demand SMIC said it raised prices for its most sought-after capacity after customer talks, and will charge more for wafers made in the third quarter. Average selling price rose 5.7% and shipments rose 14% from the prior quarter. Higher prices lift revenue and profit, pushing the stock up.
Price increases are a direct new driver of future revenue and profit.
Record Q2 revenue and strong Q3 guidance SMIC and rival Hua Hong both posted record second-quarter revenue, with SMIC guiding third-quarter revenue up 2% to 4% from the second quarter. The company is adjusting capacity and speeding up new production lines to ease industry-wide supply constraints. This signals continued growth and supports the stock.
Forward guidance and capacity expansion show the upcycle is continuing, which matters for the stock's direction.
Weak China manufacturing data and AI stock sell-off On August 3, China's manufacturing PMI fell to 49.2 in July, below the 50 level that separates growth from contraction, and a global sell-off in AI tech stocks dragged SMIC down 6.04% in one session. Weak economic data and nervousness about AI spending can pressure the stock, though it rebounded later in the period.
This is the main counterweight in the period, showing the stock is not immune to macro and sentiment shocks.

July 202621 Jul – 28 Jul 2026

▲3▼1

SMIC swings on China tech support, US tariffs, and domestic chip tool progress

Beijing pledges tech sector support China's State Council promised policies to keep growth on track and rolled out support for technology, sending SMIC up 11.2% in one session. Government backing lowers the risk of a demand slump and signals chip self-reliance stays a priority, which supports the stock.
Direct government support is a major force behind SMIC's outlook and investor confidence.
Top funds rotate into SMIC Star fund manager Zhang Kun added SMIC to his top ten holdings for the first time, part of a broad shift by major funds out of consumer staples like baijiu and into tech. More institutional money buying the stock can lift its price and steady it.
Institutional demand is a key driver of SMIC's share price and shows changing investor appetite.
Domestic DUV lithography machines enter production China started making its own immersion DUV lithography machines, with SMIC named as an early recipient. This could ease SMIC's reliance on foreign tool suppliers and support its ability to make advanced chips, though the machines still lag ASML and need more testing.
Access to chipmaking equipment is a critical long-term factor for SMIC's production capacity and technology.
US tariff and AI spending worries hit chip stocks The US imposed a 12.5% tariff on China, the highest among 60 countries, and later a broad sell-off hit chip stocks on concerns about surging AI spending and uncertain returns. SMIC fell 4.92% in that sell-off, showing how trade tensions and sentiment can pressure the stock.
Tariffs and AI spending concerns are real counterweights that can push SMIC's price down.

21 Jul – 28 Jul 2026

▲3▼1

SMIC swings on China tech support, US tariffs, and domestic chip tool progress

Beijing pledges tech sector support China's State Council promised policies to keep growth on track and rolled out support for technology, sending SMIC up 11.2% in one session. Government backing lowers the risk of a demand slump and signals chip self-reliance stays a priority, which supports the stock.
Direct government support is a major force behind SMIC's outlook and investor confidence.
Top funds rotate into SMIC Star fund manager Zhang Kun added SMIC to his top ten holdings for the first time, part of a broad shift by major funds out of consumer staples like baijiu and into tech. More institutional money buying the stock can lift its price and steady it.
Institutional demand is a key driver of SMIC's share price and shows changing investor appetite.
Domestic DUV lithography machines enter production China started making its own immersion DUV lithography machines, with SMIC named as an early recipient. This could ease SMIC's reliance on foreign tool suppliers and support its ability to make advanced chips, though the machines still lag ASML and need more testing.
Access to chipmaking equipment is a critical long-term factor for SMIC's production capacity and technology.
US tariff and AI spending worries hit chip stocks The US imposed a 12.5% tariff on China, the highest among 60 countries, and later a broad sell-off hit chip stocks on concerns about surging AI spending and uncertain returns. SMIC fell 4.92% in that sell-off, showing how trade tensions and sentiment can pressure the stock.
Tariffs and AI spending concerns are real counterweights that can push SMIC's price down.

GigaDevice Semiconductor(Beiji (603986.CG)

Q3 20269 Jul – 31 Jul 2026

▲3▼1

GigaDevice surged on profit jump, then slid on memory selloff

Profit surge and strategic stakes GigaDevice forecast a first-half profit jump of over 1,000%, driven by memory-chip shortages, its stake in CXMT's Shanghai IPO, and China's carbon-peak plan boosting chip demand.
This was the main positive catalyst that initially drove the stock higher.
Memory selloff and overcapacity fears The stock then slid amid a global memory selloff and overcapacity fears, with GigaDevice dropping 10% in a broad tech rout, highlighting its exposure to volatile sector sentiment.
This was the key negative force that reversed the early gains.
Chairman buyback and stake increase Sentiment later improved as Chairman Zhu Yiming proposed a 1–2 billion yuan buyback for cancellation and increased his stake, signaling insider confidence.
This insider action helped stabilize and lift the stock after the selloff.
DRAM expansion and LPDDR4 production The company expanded DRAM investment and prepared LPDDR4 mass production, supporting its long-term growth prospects in the memory market.
This fundamental development underpins future revenue potential.

July 20269 Jul – 31 Jul 2026

▲3▼1

GigaDevice surged on profit jump, then slid on memory selloff

Profit surge and strategic stakes GigaDevice forecast a first-half profit jump of over 1,000%, driven by memory-chip shortages, its stake in CXMT's Shanghai IPO, and China's carbon-peak plan boosting chip demand.
This was the main positive catalyst that initially drove the stock higher.
Memory selloff and overcapacity fears The stock then slid amid a global memory selloff and overcapacity fears, with GigaDevice dropping 10% in a broad tech rout, highlighting its exposure to volatile sector sentiment.
This was the key negative force that reversed the early gains.
Chairman buyback and stake increase Sentiment later improved as Chairman Zhu Yiming proposed a 1–2 billion yuan buyback for cancellation and increased his stake, signaling insider confidence.
This insider action helped stabilize and lift the stock after the selloff.
DRAM expansion and LPDDR4 production The company expanded DRAM investment and prepared LPDDR4 mass production, supporting its long-term growth prospects in the memory market.
This fundamental development underpins future revenue potential.

Latest16 Jul – 31 Jul 2026

▲2▼2

GigaDevice slides on memory selloff, then chairman's buyback and DRAM plans lift it

Memory-stock selloff drags GigaDevice down A global memory selloff hit the sector: Demingli fell limit-down twice and US memory names dropped over 8%, with GigaDevice among leading decliners. Worries that memory price rises are slowing and that chip supply may outrun demand pushed the stock down.
Explains the main downward force on the stock this period.
Overcapacity fears spark broad chip selloff Chinese stocks hit a one-week low as investors worried about semiconductor overcapacity and huge AI spending. The STAR 50 fell 6.3% and GigaDevice dropped 10% in the broad tech selloff, showing how sector-wide sentiment, not company news, can move the stock.
Shows a second, market-wide negative driver hitting the shares.
Chairman's buyback and stake increase signal confidence Chairman Zhu Yiming proposed buying back 1-2 billion yuan of shares for cancellation and raising his stake by at least 1 billion yuan, while pledging no sales for 12 months. Cancelling shares lifts earnings per share and signals insiders see the stock as cheap.
This is the biggest new positive catalyst for the stock.
DRAM expansion and new LPDDR4 product near mass production GigaDevice is injecting 500 million yuan into its Zhuhai subsidiary for a DRAM project, and says niche DRAM prices keep rising on shortages, with its own LPDDR4 chip about to enter mass production and LPDDR5 in development. That points to future sales growth.
Shows the company's own growth pipeline beyond the buyback.

9 Jul – 9 Jul 2026

▲3

GigaDevice profit surge and CXMT IPO lift chip shares

First-half profit to jump over 1,000% on memory chip shortage GigaDevice expects first-half net profit of about 6.9 billion yuan, up roughly 1,099% from a year earlier, as tight memory chip supply lifted both sales volumes and prices, with microcontroller shipments also growing. This is the core reason the stock hit its daily limit up.
The profit forecast is the main fundamental force behind the move and is new this period.
CXMT Shanghai IPO bookbuilding boosts GigaDevice as shareholder Bookbuilding began for ChangXin Memory Technologies' Shanghai listing, and GigaDevice, as a CXMT shareholder, jumped 10% as part of a broad semiconductor rally. The stake gives GigaDevice a direct link to China's memory-chip expansion.
This is a separate, new catalyst driving the stock beyond its own earnings.
Carbon-peak plan targets energy storage and EVs, lifting chip demand The State Council's 15th Five-Year Carbon Peaking Action Plan sets 2030 goals for energy storage and new energy vehicles, which should raise demand for the memory and microcontroller chips GigaDevice sells into those sectors.
A new policy driver that supports future demand for GigaDevice's products.
Profit surge partly from investment gains, not only chip sales Part of the profit jump came from fair value gains on securities investments, which are less predictable than chip sales. The memory shortage driving prices and volumes is the durable force, but the investment gains add a one-off element investors should weigh.
Gives the fair counterweight that not all of the profit surge is from core operations.