Asian stock markets experienced a volatile session on Friday, October 23, 2026, recovering from steep early losses triggered by a sharp overnight correction in United States technology and semiconductor shares. Regional indices faced heavy selling pressure in morning trade due to growing investor anxiety regarding the cost and financial sustainability of artificial intelligence infrastructure spending, before staging a late recovery.
South Korea bore the brunt of the initial regional pressure. The benchmark KOSPI opened 2.36 percent lower and dropped more than 3 percent during early trading to reach 5,305.98. Semiconductor heavyweights led the downturn, with Samsung Electronics falling about 3 percent, while smaller component and equipment makers such as SIMMTECH, LEENO Industrial, and JUSUNG Engineering dropped roughly 5 percent. The tech-heavy KOSDAQ index remained under sustained pressure, falling about 3.5 percent by the close.
Other major regional markets also recorded losses during the session. Japan's Nikkei 225 declined 1.4 percent, and China's Shanghai Composite slipped 1.3 percent, while Hong Kong's Hang Seng index finished marginally higher. Despite the initial widespread slump, South Korea's KOSPI pared its losses through institutional buying in the afternoon. The index recovered above the 5,400 threshold by early afternoon and ultimately closed the session at 5,550.30, marking a 0.30 percent increase for the day.
The regional market turbulence followed a steep Wall Street rout on Thursday. The Philadelphia Semiconductor Index tumbled 6.72 percent, while major U.S. tech equities suffered notable losses. Nvidia shares declined 4.40 percent, Micron Technology dropped 6.26 percent, and Intel fell 8.04 percent. The Nasdaq Composite retreated 2.60 percent, marking its steepest single-session decline since June.
Market analysts noted that the selloff was propelled by mounting questions over whether massive capital expenditures directed toward artificial intelligence infrastructure will yield sufficient commercial returns in the near term. Corporate disclosures added to these doubts, as Meta reported negative free cash flow driven by high capital expenditures, and Tesla lowered its annual investment targets.
Because South Korea and several other export-driven Asian economies maintain deep exposure to global semiconductor supply chains, shifts in U.S. technology sentiment quickly translated into sharp regional volatility. While institutional support helped stabilize benchmark indices by the end of Friday's session, market participants indicated that underlying concerns regarding technology sector valuations and artificial intelligence capital expenditure cycles remain unresolved.
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