Everyone knows December is one of the strongest months for stocks. In the last 25 years, the S&P 500 has been up 80 percent of the time in December, for an average gain of 1.78 percent, according to our partners at Kensho.
Since 1950, December is the best month for the S&P 500, up an average 1.7 percent, according to the Stock Trader's Almanac.
What's less commonly known is the sector performance is a bit uneven.
According to Kensho, the best performing sector in December for the last 25 years has been industrials, up 84 percent of the time for an average gain of 2.93 percent. Surprisingly, the utilities sector was the second biggest gainer, up 2.74 percent.