U.S. stocks close weaker, Dow Jones drops 154 points

NEW YORK, New York - U.S. stocks attracted litle interest on Tuesday as invetsors began to wind down for the year.

"The market has been narrowing over the past week," CFRA Research's chief investment strategist Sam Stovall told CNBC Tuesday. "Investors are waiting to see if that simply is your traditional seasonal softness in mid-December, and I think they are expecting the participation to broaden out once again