South Korea's KOSPI stock benchmark surpassed 9,000 for the first time on Thursday, driven by a surge in chipmakers fueled by AI optimism. Samsung Electronics and SK Hynix saw significant gains, contributing to the index's record high. The KOSPI has emerged as the world's top performer in the AI-driven rally, with substantial gains this year and last.

South Korea's KOSPI stock benchmark surpassed 9,000 for the first time on Thursday, driven by a surge in chipmakers fueled by AI optimism. Samsung Electronics and SK Hynix saw…

Seoul stocks crossed another round-number milestone of 9,000 for the first time in their history Thursday, buoyed by an extended rally in chipmaker...