--- title: "The Japanese and South Korean stock markets opened significantly lower" type: "News" locale: "en" url: "https://longbridge.com/en/news/266820431.md" description: "The Nikkei 225 index opened down 1.2%, and the Seoul Composite Index opened down 2.4%. The S&P 500 index significantly declined after reversing its early gains overnight. Risk Warning and Disclaimer: The market is risky, and investment should be cautious. This article does not constitute personal investment advice and does not take into account the specific investment goals, financial situation, or needs of individual users. Users should consider whether any opinions, views, or conclusions in this article are suitable for their specific circumstances. Investment based on this is at one's own risk" datetime: "2025-11-21T00:05:53.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/266820431.md) - [en](https://longbridge.com/en/news/266820431.md) - [zh-HK](https://longbridge.com/zh-HK/news/266820431.md) --- > Supported Languages: [简体中文](https://longbridge.com/zh-CN/news/266820431.md) | [繁體中文](https://longbridge.com/zh-HK/news/266820431.md) # The Japanese and South Korean stock markets opened significantly lower The Nikkei 225 index opened down 1.2%, and the Seoul Composite Index opened down 2.4%. The S&P 500 index significantly declined after reversing its early gains overnight. Risk Warning and Disclaimer The market carries risks, and investments should be made with caution. This article does not constitute personal investment advice and does not take into account the specific investment objectives, financial situation, or needs of individual users. Users should consider whether any opinions, views, or conclusions in this article are suitable for their specific circumstances. Investing based on this is at your own risk ### Related Stocks - [S&P 500 (.SPX.US)](https://longbridge.com/en/quote/.SPX.US.md) - [SPDR® S&P 500® ETF (SPY.US)](https://longbridge.com/en/quote/SPY.US.md) - [ProShares UltraShort Yen (YCS.US)](https://longbridge.com/en/quote/YCS.US.md) ## Related News & Research - [Why Is the SPY ETF Up Today, 4/1/2026?](https://longbridge.com/en/news/281428290.md) - [SPX Can Handle Rates — It Can’t Handle Bond Vol](https://longbridge.com/en/news/281393631.md) - [SocGen's Overnight Economic News Summary](https://longbridge.com/en/news/281343241.md) - [Should You Really Invest in the Vanguard S&P 500 ETF Right Now? Here's What History Says.](https://longbridge.com/en/news/281360255.md) - [Here's How Much $100 Invested In ProShares UltraPro S&P 500 5 Years Ago Would Be Worth Today](https://longbridge.com/en/news/281388760.md)