South Korea's KOSPI index reached an all-time high as SK Hynix joined Samsung Electronics and Micron Technology in the $1 trillion market capitalization club. This surge, driven by strong demand for AI memory chips, saw SK Hynix shares jump 11.1%, contributing significantly to the KOSPI's impressive year-to-date performance.

SEOUL: South Korea's benchmark Kospi stock index hit an all-time high on Wednesday (May 27) as SK Hynix joined its memory chip rivals Samsung Electronics and

Shares of SK Hynix soared over 11% on Wednesday, pushing the South Korean memory-chip maker above the $1 trillion market capitalization mark.