South Korean shares soar after chip stock rout; Asia stocks climb as KOSPI rebounds tracking Wall St gains; BOJ holds rates
Hajime TakataKazuo UedaSK HynixNvidiaMicrosoftSamsung ElectronicsAmazonBank of Japan

South Korean shares soar after chip stock rout; Asia stocks climb as KOSPI rebounds tracking Wall St gains; BOJ holds rates

South Korean shares surged nearly 18% on Friday, rebounding from a three-day slump, driven by chipmakers SK Hynix and Samsung Electronics. The rally followed strong earnings from Amazon and Microsoft, boosting optimism in AI investments, while Asian markets also climbed amid the Bank of Japan's unchanged interest rates.

BBC BBC+1 source31 July 2026 · 08:55 UTC
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South Korea's KOSPI index surged nearly 18% on Friday, recovering from a significant three-day decline that erased hundreds of billions in market value. This rebound was primarily fueled by strong performances from chipmakers SK Hynix and Samsung Electronics, which saw their shares rise by 30% and 28%, respectively.12614

The rally followed positive earnings reports from Amazon and Microsoft, which exceeded expectations and reignited investor confidence in AI-related investments. Amazon's stock jumped over 9% in after-hours trading, while Microsoft gained more than 15%, contributing to a broader optimism in the tech sector.789

Despite the gains, the KOSPI remains on track for a 22% monthly drop due to profit-taking and ongoing concerns regarding AI investments. South Korean regulators have also implemented measures to mitigate the recent sell-off, which had seen the tech-heavy index experience multiple circuit breaker halts this year.10

In the broader Asian market, stocks rose in response to the KOSPI's rebound, as investors also processed the Bank of Japan's decision to maintain interest rates at around 1.0%. The central bank's cautious stance reflects ongoing inflation risks and the impact of global economic conditions on Japan's economy.11

Overall, the market's recovery highlights the volatile nature of tech stocks amid fluctuating investor sentiment regarding AI and economic stability.

Key Insight
“SK Hynix, a major Nvidia supplier, surged almost 30% and Samsung gained 28%, lifting the KOSPI nearly 18% after the rout wiped hundreds of billions off the market. The index still faced a 22% monthly drop amid profit-taking and AI worries.”
CuriousCats studied:
1
BBCBBC
“Share prices jumped in South Korea on Friday, partly reversing a three-day rout that wiped hundreds of billions of dollars off the value of the country's stock market.”
BBC →
2
Investing.com
“Asian stock markets rose on Friday, led by a sharp rebound in South Korean shares, while investors digested the Bank of Japan’s decision to leave interest rates unchanged and a fresh batch of regional economic data.”
Investing.com →
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