Arm Holdings plc American Depositary SharesArm Holdings plunged nearly 24% as part of the semiconductor selloff, with no company-specific cause given.

Wall Street's major indexes closed the week lower, weighed down by a prolonged selloff in semiconductor and other heavyweight technology stocks. The S&P 500 lost 2.0%, the Nasdaq Composite dropped 4.6%, while the Dow rose 0.6%. Among the biggest decliners, ON Semiconductor fell almost 28%, Western Digital dropped 24%, Arm Holdings declined nearly 24%, and Seagate Technology slid 17.4%. Micron Technology reported strong quarterly results and guidance, with revenue surging more than 340% to $41.46 billion, but broader chip sentiment remained negative amid reports that OpenAI may delay its IPO until 2027. Geopolitical tensions also escalated after the U.S. launched retaliatory strikes against Iran, further rattling markets.
Arm Holdings plc American Depositary SharesArm Holdings plunged nearly 24% as part of the semiconductor selloff, with no company-specific cause given.
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