--- type: "Topics" locale: "en" url: "https://longbridge.com/en/topics/39575016.md" description: "When the 🇺🇸 S&P 500 index (S&P 500) exhibits the following combination:1️⃣ A year with a sharp decline of over 15% (bear market or deep correction)2️⃣ Followed immediately by a strong rebound (gains reaching double digits)👉 Then, according to historical data (since 1950):➡️ The following year still sees double-digit gains (100% probability, no exceptions)" datetime: "2026-03-27T10:11:21.000Z" locales: - [en](https://longbridge.com/en/topics/39575016.md) - [zh-CN](https://longbridge.com/zh-CN/topics/39575016.md) - [zh-HK](https://longbridge.com/zh-HK/topics/39575016.md) author: "[MurphyWang](https://longbridge.com/en/profiles/12976838.md)" --- > Supported Languages: [简体中文](https://longbridge.com/zh-CN/topics/39575016.md) | [繁體中文](https://longbridge.com/zh-HK/topics/39575016.md) # When the 🇺🇸 S&P 500 index (S&P 500) exhi… ### 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)