The stock market’s worst month is coming up. Should you sell in August? - MarketWatch
1. August shows average returns for the S&P 500 over time. 2. From 1957, August has been the 10th worst month for returns. 3. Analysts have varying interpretations of August's historical performance. 4. 58.4% of the time, the market has risen in August since 1793. 5. There is little consistency in August's performance among benchmarks.