Samsung shares top 180,000 won on HBM4 breakthrough

Samsung Electronics shares surged past the 180,000 won threshold on Friday, setting a record high after the company announced the world's first mass production and shipment of sixth-generation high-bandwidth memory, a key component for AI chips. The stock climbed above 180,000 won in after-hours trading Thursday and extended gains during Friday's session, marking a historic milestone driven by strong institutional and foreign buying. The stock closed at 181,200 won, up 1.46 percent, after touchi