Samsung, SK Hynix shares rally on OpenAI partnerships

SEOUL, Oct 2 (Reuters) - Shares of Samsung Electronics 005930.KS and SK Hynix 000660.KS rallied on Thursday after the South Korean chipmakers signed letters of intent to supply memory chips for OpenAI's data centers.

Samsung Electronics rose more than 4% to its highest level since January 2021 and SK Hynix rose more than 8% to an all-time high, leading the benchmark KOSPI index's .KS11 more than 2% gains to a record.

Samsung Electronics' affiliates Samsung SDI 006400.KS, Samsung C&T 028260.KS and Samsung SDS 018260.KS also rose sharply in early Asia trade on partnerships with the U.S. artificial intelligence firm.