Last night, the U.S. New York stock market closed mixed, while on the 12th, the KOSPI and KOSDAQ indices started lower.

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As of 9:09 a.m. on the same day, the KOSPI index is recording 2,533.04, down 6.01 points (0.24%) from the previous transaction day. The KOSPI index opened at 2,534.71, down 4.34 points (0.17%) from the previous session.

Most of the large-cap stocks are showing red. Samsung Electronics, the leading semiconductor company, is down 1.62%, while SK hynix is down 1.80%. Samsung Electronics preferred stock is down 1.54%.

In addition, Samsung Biologics, LG Energy Solution, Celltrion, Kia, and NAVER are experiencing a downward trend in stock prices. In contrast, Hyundai Motor and KB Financial are seeing their stock prices rise.

At the same time, the KOSDAQ index is down 6.18 points (0.82%) at 743.41. The KOSDAQ index opened at 748.65, down 0.94 points (0.13%) from the previous transaction day.

Looking at the top 10 market-cap stocks, Alteogen, ECOPRO BM, HLB, Ecopro, Rainbow Robotics, LigaChem Biosciences, and LEENO Industrial are seeing their stock prices decline. In contrast, Sam Chun Dang Pharm, CLASSYS, and HUGEL are experiencing increases in their stock prices.

On the 11th (local time), the three major indices of the U.S. New York stock market closed mixed, hovering around flat. President Donald Trump indicated a sign of escalation in the 'tariff war' by imposing additional tariffs on China, including on steel and aluminum, but there was no major response.

On that day, the large-cap focused Standard & Poor's 500 index closed at 6,068.50, up 2.06 points (0.03%) from the previous session. The Dow Jones Industrial Average, focused on blue-chip stocks, closed at 44,593.65, up 123.24 points (0.28%) from the previous day. The technology-focused NASDAQ index closed at 19,643.86, down 70.41 points (-0.36%) from the previous session.

President Trump officially announced that as previously indicated the evening before, all steel and aluminum products imported into the U.S. will incur a tariff of 25%. He also reiterated that he will implement a concept of 'reciprocal tariff' to impose tariff rates on the products of other countries equivalent to the tariff rates imposed on U.S. products.

On that day, the won-dollar exchange rate started at 1,454.0 won, up 1.4 won from the previous transaction day. (The value of the won is declining)