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KOSPI Index Holds 2,600 as US Credit Downgrade Impacts Sentiment

Asktraders News Team trader
Updated 19 May 2025

The KOSPI index experienced a pullback today, falling 0.89%, but crucially holding above the 2,600 mark during a difficult start to the week. This downturn was primarily attributed to the recent downgrade of the United States' credit rating by Moody's Investors Service from ‘Aaa' to ‘Aa1', which occurred after market close on Friday, and has most markets on the backfoot leading into the new week.

The KOSPI index began the day at 2,613.70, marking a 13.17 point drop from Friday's close before fading further as the day progressed in closing at 2,603.42. Support for the index at the 2,600 level proved to be key on the day, with the KOSPI coming off the intraday low of 2,593.44 to stage a mini fightback in the last half hour of the session.

Despite the pullback on the day, the KOSPI remains firmly green on the year, up 8.52% YTD.

Major stocks on the KOSPI also reflected the downtrend. Tech giants like Samsung Electronics and SK Hynix saw their shares decline by 1.76% and 2.49%, respectively. The automotive sector mirrored this weakness, with Hyundai also posting a decline of 1.44%.

LG Energy Solution shares managed to buck the trend with a 0.34% gain on the day, whilst Samsung Biologics posted strong gains of 2.59%.

The recent downgrade in the US credit rating has undeniably cast a shadow on the South Korean stock markets, leading to selling pressure across various sectors. As the markets continue to adjust, investors are likely to remain cautious in the face of broader economic uncertainties.

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