The KOSPI index on the Seoul Stock Exchange plunged 5.46% on Tuesday, October 13, 2026, closing at 6,035.3 points, marking its fifth consecutive session of losses with a cumulative decline of 11.36% over five days. The Korean Exchange triggered its sidecar circuit breaker at market open to suspend algorithmic orders and curb panic selling. Samsung Electronics fell 7.4% and SK Hynix dropped 10%, the two flagship stocks on the KOSPI weighed down by investor fears over the rise of Chinese competitor CXMT in memory chips. Other Asian markets also retreated: the Nikkei lost 2.6%, the ChiNext fell 3% and the CSI 300 declined 1.3%. Attention now turns to the US CPI inflation report due Wednesday, October 14, with the market pricing in a 78.4% probability of the Fed holding rates steady.
Source: Read the original article
