KOSPI and Nikkei 225 rise sharply; SK Hynix gains 5.7%

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The Fear and Greed Index showed a shift as the KOSPI rose 3.76% to 6,598.25 on August 5, 2026, with SK Hynix up 5.77% and Samsung gaining 2.5%. The KOSDAQ added 2.41%. In Japan, the Nikkei 225 climbed 3.66% to 66,300.44, with SoftBank up 13% and Kioxia rising 4.8%. Traders are monitoring altcoins amid the broader market rebound.

ChainThink reports that on August 5, according to market data, the South Korean KOSPI index closed up 239.3 points, or 3.76%, at 6,598.25 points;

The Korean KOSDAQ index rose 2.41%. Among individual stocks, SK Hynix increased 5.77%, and Samsung Electronics rose 2.5%.

The Nikkei 225 closed up 2,342.91 points, or 3.66%, at 66,300.44; SoftBank rose 13%, and Kioxia rose 4.8%.

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