SK hynix bucked a broader sell-off in artificial intelligence (AI)-related stocks, Friday, helping drive a rebound in the benchmark KOSPI after the chipmaker said it had dropped its review of a potential U.S. listing of Solidigm, its NAND flash memory subsidiary. Shares of SK hynix closed at 1,277,000 won ($963.48), up 4.42 percent, while Samsung Electronics rose 0.47 percent to 215,500 won. KOSPI came under pressure after a rout in AI-related stocks on Wall Street overnight. The Philadelphia Semiconductor Index plunged 6.72 percent, with Nvidia, Micron, SanDisk and Intel among the biggest decliners. Korea's benchmark index tumbled more than 4 percent in morning trading, briefly sinking to the 5,300 level, before staging a sharp rebound and reversing its losses later in the session. It closed at 5,550.30, up 0.3 percent. Net buying by retail and institutional investors helped offset selling by foreign investors, who unloaded nearly 1 trillion won worth of shares on a net basis. Retail and institutional investors bought a net 52 billion won and 872 billion won worth of shares, respectivel