Global Market: Kospi extends winning streak as AI optimism lifts chip stocks

South Korean shares rose for a third straight session, with the Kospi gaining 3.46% as chipmakers rallied on optimism over strong AI infrastructure demand. Samsung Electronics jumped 6.16% and SK Hynix 3.86%. Foreign investors bought Korean equities worth 899.6 billion won, while broader markets remained mixed and the won weakened slightly.