South Korean stocks opened higher on Wednesday, with the KOSPI index rising 0.44% at the open and up 1.83% to 6,146.01 points as of 9:15 AM, after a 5.46% plunge the previous day due to AI concerns. The index had plummeted 5.46% the day before, dragged down by a decline in tech stocks amid growing worries about large AI companies' high capital expenditures.