World shares are mostly lower and South Korea's benchmark dropped more than 5% after sharp declines for some big artificial intelligence-related stocks in the U.S.

Asia-Pacific markets fell on Friday as investors assessed a rotation out of chip stocks on Wall Street that lifted the Dow Jones Industrial Average to a record close.

World shares are mostly lower and South Korea's benchmark dropped more than 5% after sharp declines for some big artificial intelligence-related stocks in the U.S.