Japan, South Korea Stocks Open Higher as Kospi Jumps Nearly 5%, Rebounding 30% From July Low; SK Hynix Surges Over 7%, Kioxia Gains Nearly 7%
On August 13, Japanese and South Korean stock markets extended strong gains, driven by the semiconductor sector and positive U.S. market momentum. South Korea’s KOSPI Index surged 4.8%, while Japan’s Nikkei 225 rose 1.82%, fueled by major tech advances including Samsung, SK Hynix, and SoftBank. The rally followed robust overnight performances in U.S. AI and memory chip stocks. Additionally, U.S. July CPI rose 3.4% year-on-year, meeting expectations and easing investor concerns regarding near-term Federal Reserve tightening, which further boosted regional risk appetite.

TradingKey - On August 13, Japanese and South Korean stock markets continued their strong morning performance. Samsung rose over 5%, SK Hynix gained more than 7%, Kioxia jumped nearly 7%, and SoftBank climbed over 2%.
South Korea's KOSPI Index opened 3% higher at 6,773.92 points, rebounding about 30% from its intraday low of 5,262.77 points on July 29, before widening its gain to 4.8% intraday to trade at 6,895.07 points, indicating a clear improvement in market sentiment.

Source: TradingView
Japan's Nikkei 225 Index also opened higher at 68,033.17 points, up 0.75%, with intraday gains widening further to 1.82%.
The semiconductor sector continued to be the main driver of gains in Asian markets. In South Korea, Samsung Electronics rose 5.48% in morning trading to 269,500 Korean won (about $191); SK Hynix gained 7.18% to 1,612,000 Korean won. In the Japanese market, memory chipmaker Kioxia rose 6.68% to 53,200 Japanese yen (about $334); SoftBank Group gained 2.16% to 5,639 Japanese yen.
This rally in tech stocks was closely tied to overnight U.S. market performance, with the S&P 500 up 0.26% and the Nasdaq Composite Index gaining 0.54%. Among them, the AI and memory chip sectors performed prominently, with SK Hynix (SKHY) surging 9.01%, Seagate Technology (STX) rising 7.03%, SanDisk (SNDK) jumping 5.76%, Micron Technology (MU) gaining 4.92%, Western Digital (WDC) climbing 3.69%, with these strong performances further boosting risk appetite for Asian semiconductor stocks.
Meanwhile, data released by the U.S. Department of Labor showed that July CPI rose 3.4% year-on-year, lower than 3.5% in June and matching market expectations; it rose 0.1% month-on-month, also meeting expectations. Inflation did not show a noticeable heating up beyond expectations, reducing market concerns about the Federal Reserve maintaining its tight stance in the short term.
This content was translated using AI and reviewed for clarity. It is for informational purposes only.
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