Worries over data center curbs accelerate skid in Asian markets The Korea Exchange imposed a circuit breaker during morning trading to cool off the selling after the KOSPI fell 8.7% at one point.

Worries over data center curbs accelerate skid in Asian markets The Korea Exchange imposed a circuit breaker during morning trading to cool off the selling after the KOSPI fell 8.7% at one point. © Reuters TOKYO -- Asian stock markets tied to the artificial intelligence boom plummeted on Friday following a tech sell-off on Wall Street overnight, as investors fretted about possible delays in the construction of data centers following a sweeping Democratic victory in the U.S. midterm elections.