This is because of the Santa Claus rally when the stock market traditionally scales northward in the last five trading sessions of the month. The Dow Jones Market Data further added that if the S&P 500 scales up more than 15% till November, then the index is set to finish December in the positive territory 75% of the time. But much of the recent strength in the stock market can be attributed to the Federal Reserve’s initiative to curtail its aggressive interest rate hike program amid signs of cooling inflation and a resilient U.S. economy.