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KOSPI Slips as Tech Shares Falter under U.S. Tariff Threats

Investor fears over looming U.S. smartphone tariffs have pressured tech stocks.

Officials work at a dealing room of Hana Bank in Seoul on May 27, 2025. (Yonhap)
This AP photo shows U.S. President Donald Trump putting his mobile phone on silent, as it rang two times while he was speaking to reporters after signing executive orders in the Oval Office of the White House in Washington, D.C., on May 23, 2025. (PHOTO NOT FOR SALE) (Yonhap)

Overview

  • The KOSPI closed Tuesday at 2,637.22, reversing earlier gains and signaling investor caution.
  • Samsung Electronics and SK hynix shares each lost around 0.5 percent at Tuesday’s open, leading declines in top-cap names.
  • Battery and chemical firms LG Energy Solution and LG Chem had driven Monday’s rally with gains near 4 percent and 2.5 percent respectively.
  • President Trump’s threat of 25 percent tariffs on non-U.S.-manufactured smartphones triggered last Friday’s sell-off on Wall Street and sustained pressure on Asian markets.
  • The won weakened past 1,366 per dollar on Tuesday as uncertainty persists over a 90-day U.S. tariff suspension set to expire in July.