Asian equity markets rallied on Wednesday as a resurgence in artificial intelligence enthusiasm, following a surge in U.S. stocks, lifted risk appetite across the region. South Korea's Kospi led the advance, a sign that investors are again rewarding chip and AI supply chain exposure after a choppy stretch for AI-linked shares that began at the start of October.
In China, the Shanghai Composite gained 0.6% to 3,670, while Hong Kong's Hang Seng edged up 0.1% to 23,060. Australia's S&P/ASX 200 finished flat at 8,847. In New Zealand, the central bank surprised markets by holding its official cash rate at 2.75%, a decision that adds to a global backdrop in which policymakers are moving cautiously as inflation and growth signals pull in different directions.
India lagged the regional move. The BSE Sensex opened 345.23 points, or 0.17%, lower at 73,253.44 and the Nifty 50 shed 71.75 points to 22,708.80 as information technology shares dragged on the benchmarks. Gift Nifty, an early indicator for the Nifty 50, also pointed to a weaker start. That divergence shows the AI rebound is far from uniform, with investors differentiating between hardware and infrastructure beneficiaries and software and services exporters.
Europe and commodities were mixed. The FTSE 100 traded about 0.2% lower near 10,660 in London, gold slipped roughly 0.7% to about $4,030 an ounce, and Bitcoin edged up 0.2% to around $80,800. Brent crude held above $110 a barrel after an attack on a Saudi Arabian refinery renewed supply concerns, a reminder that geopolitical risk remains an undercurrent beneath the equity rally.
The U.S. setup frames the global tone. The S&P 500 closed Tuesday up 0.6% at 7,722.60 and the Nasdaq Composite rose 1.18%, while the Dow was little changed. Overnight, futures showed the S&P 500 and Nasdaq-100 slightly higher and Dow futures down about 0.2%, with the 10-year Treasury yield near 5% and the VIX around 17.5, levels that suggest calm but not complacency.
For U.S. investors, Asia's session is useful as a barometer rather than a signal. Strength in Korean and Chinese equities suggests the early bias for technology and semiconductor shares is constructive, but the gains are conditional. The Federal Reserve decision at 2:00 p.m. ET, a hawkish tone in the 2:30 p.m. press conference, or disappointing capital spending commentary from Big Tech after the close could quickly reverse the optimism. India's weakness and gold's decline also show that capital is being selective rather than broadly risk-on.
The practical takeaway is to treat the regional rally as supportive but not decisive. Traders watching for continuation should focus on whether chip leaders hold early gains through the Fed decision, whether oil stabilizes after the Saudi headline, and whether Treasury yields stay below 5%. A break in any of those variables would test the strength of the AI rebound that has carried global markets higher this week.