Admittedly, Nov. 27 could be a rough day for investors that follow that advice, but the stock market has never failed to recoup its losses following past drawdowns. Conversely, investors that sell stocks to avoid a possible decline may miss a very good day, and may hesitate to buy again while waiting for a correction that never comes.

U.S. stocks rose Monday, with those benefiting the most from lower interest rates and a stronger economy leading the way. The S&P 500 climbed 0.3% to pull closer to its all-time high set two weeks ago.

Stocks rallied and yields plunged as markets cheered Scott Bessent as Trump's pick to run the Treasury. The Dow and the Russell 2000 hit fresh records.