Old Wisdom of ‘Sell in May’ Back in Focus as Stock Market Churns

Published on April 30, 2025

One of the best-known market trends, the “sell in May” effect is backed by decades of historical performance: Investing in a fund that debuted in 1993 and tracks the S&P 500 during the May-October period yielded a cumulative return of 171%, compared to a 731% gain for November-April, an analysis from Bespoke Investment Group found.