The Santa Claus rally refers to a seasonal tendency for the S&P 500 to rise over the last five days trading days of a calendar year and the first two of the new year. U.S. stocks pared early losses on Thursday, with the Dow wavering in and out of positive territory in recent trade.

Both the Dow Jones Industrial Average and Nasdaq scored four straight sessions of gains, with the S&P 500 taking its winning streak to three sessions. Lisa Bernhard has more.

U.S. stocks on Thursday struggled for momentum, as Wall Street's attempt to continue a Santa Claus rally came under pressure after the best Christmas Eve session since 1974. In a topsy-turvy session that has largely been negative,

Patrick Mahomes and Travis Kelce donned NFL-branded Santa coats to get the postgame party started. Then Reid followed in full Santa regalia, much to the delight of the Kansas City locker room.

The Chiefs were feeling the holiday spirit after the game, head coach Andy Reid most of all. He strolled in the away locker room wearing a full-on Santa suit to lead his signature "How 'bout those Chiefs" chant.

Just one year ago, the Kansas City Chiefs fell on Christmas Day and used the loss as a rally through the AFC playoffs en route to the Super Bowl championship. Kansas City had to win two games on the road to get to the Super Bowl.