On June 26, 2026, global technology and semiconductor stocks experienced a significant selloff as investors grew increasingly concerned about the rising costs associated with artificial intelligence infrastructure and soaring chip prices [1]. U.S. semiconductor companies were hit hard, with Intel dropping 3%, Sandisk falling 10%, Arm losing nearly 4%, Marvell down 5%, and Micron—despite strong third-quarter earnings the previous day—declining more than 5% [1]. The negative sentiment extended to Europe, where ASML fell 2%, Infineon and ASM International each dropped 4%, ST Microelectronics shed nearly 4%, and Be Semiconductor was 2% lower [1].
Asian markets mirrored the downturn, with Japan's SoftBank sinking over 5%, partly due to Arm Holdings' underperformance and reports that OpenAI may delay its IPO until next year amid valuation concerns [1]. South Korea's SK Hynix fell more than 8%, Samsung Electronics lost around 5%, SK Square dropped over 9%, and LG Electronics was down more than 3% [1]. In Japan, Advantest declined nearly 10% and Tokyo Electron was down 3%, while Taiwan's TSMC and Hon Hai also registered losses [1]. In Greater China, technology giants Tencent, Alibaba, Baidu, and Xiaomi all fell, with Semiconductor Manufacturing International tumbling nearly 7% [1].
Despite the broad selloff, most of the so-called Magnificent Seven megacap tech stocks managed to avoid the worst of the downturn, except for Alphabet and Nvidia, which did not participate in the bounce [1]. However, the group as a whole has had a challenging month, with each stock down at least 8% in June [1]. Apple notably rebounded 3% on Friday after a sharp decline the previous day, which followed its announcement of price increases for MacBook and iPad products due to higher component costs, including chips [1].
Equity strategist Andrew Jackson of Ortus Advisors noted that while Qualcomm's new AI data center chip deal with Meta is ultimately positive for Arm through royalty payments, Arm faces intensifying competition as Qualcomm expands into the CPU market [1]. The overall market reaction reflects growing anxiety that escalating semiconductor prices could compress the profit margins of major technology companies [1].
CONCLUSION
The global selloff in semiconductor and technology stocks underscores mounting investor concerns about the impact of rising AI infrastructure and chip costs on tech sector profitability. With key players across the U.S., Europe, and Asia experiencing sharp declines, the market is signaling caution over future margins and competitive pressures. Forward-looking commentary suggests ongoing volatility as companies navigate these cost challenges.