South Korea's chipmakers surged on Nov. 20, 2025, after Nvidia’s strong earnings boosted tech sector optimism.

South Korea's top chipmakers rose on November 20, 2025, after Nvidia reported a 62% year-on-year sales surge to $57.01 billion for its fiscal third quarter, exceeding expectations. Samsung Electronics gained 3.63% to 100,000 won, and SK hynix jumped 5.34% to 592,000 won, fueled by improved tech sector sentiment. CMTX, a domestic semiconductor supplier and the only Tier-1 vendor to Taiwan’s TSMC, more than doubled on its first trading day, closing up 125.62% at 136,500 won, following strong prior-year results.