AI boom lifts SK hynix above Samsung in market value

SK hynix briefly overtook Samsung Electronics as South Korea's most valuable listed company in intraday trading Monday, challenging Samsung's long-held dominance of the stock market for the first time in nearly 26 years.

Shares of SK hynix rose as much as 6.5 percent to a record 2.95 million won ($1,900), lifting its market capitalization to 208.1 trillion won.

That surpassed Samsung Electronics' market value of 207.3 trillion won by about 8.6 trillion won at the session high.

As of 1 p.m., SK h ...