If You're Worried About a Market Crash, Here's the 1 Thing You Shouldn't Do, According to History.

With the S&P 500 facing valuation concerns and macroeconomic headwinds, the article advises investors not to sell during a market crash. Historical data shows that staying invested and holding through downturns leads to significant long-term gains. The article recommends building a defensive portfolio with dividend and stable stocks, and keeping cash reserves to buy at lower prices.