South Korea's market took the hardest hit as investors weigh a reported Chinese chip breakthrough against the durability of the A.I. capex boom.

Cheaper crude cuts inflation pressure and lifts equities, but energy investors face a new calculus as the geopolitical risk premium unwinds.

Stocks jumped on stronger-than-expected guidance, signaling enterprise AI workloads are accelerating faster than Wall Street priced in.

The Nasdaq leads a broad selloff as investors question the billions poured into AI compute after a Chinese model upends cost assumptions.