According to data, since 1990, the S&P 500 Index has had a positive percentage growth from Thanksgiving to Christmas of 78%. In addition, the Dow Jones Industrial Average, S&P 500 Index, and NASDAQ 100 Index usually rise between Thanksgiving and Christmas Eve, with the Dow Jones Index averaging a 1.93% increase during the same period, and the S&P 500 and NASDAQ indices averaging 1.77% and 1.66% increases, respectively.
For US stocks, December is often a good month for profitability. According to the investment advisory firm 720 Global, the average monthly return from December 1990 to December 2017 was 1.05%, while the average ROI for the other 11 months was 0.62%. Although historically the stock market has been very inertial, reversals can be drastic. For instance, in December 2018, the S&P 500 Index dropped by over 9%. The S&P 500 fell by 2.81% on Christmas Eve, while the Dow Jones Industrial Average and the NASDAQ 100 fell by 2.91% and 2.43%, respectively. Fortunately, the US stock market staged a significant rebound the day after Christmas, the Christmas gift may have been late, but it never failed to arrive.