US stocks jumped in a shortened holiday trading session on Tuesday with the Dow Jones Industrial Average gaining close to 400 points as ... official start of the Santa Claus trading window ...

Believing in Santa Claus doesn't make children better behaved ... found evidence of this by interviewing the parents of almost 400 children aged between four and nine, ahead of the holidays ...

The Santa Claus rally got off to a jolly start in Tuesday’s holiday-shortened session. The Dow rose about 391 points, or 0.9%, through the 1 p.m. ET close. The S&P 500 closed up 1.1%.