SK hynix, whose profit-linked bonus formula helped trigger similar demands across South Korean industry, is now testing whether mandatory stock compensation cou

SK hynix shares hit their daily upper limit Friday, as South Korean chipmakers extended a sharp rebound following a recent market rout. The stock surged 29.95 p

SK Hynix shares hit their first-ever daily price limit with a nearly 30% surge, while the U.S.-listed ADR gained after hours.