Stocks added to losses Tuesday, dragged by telecoms, as investors kept to the sidelines ahead of the fourth-quarter earnings seasonthat will kick off with Alcoa after the closing bell.
The Dow Jones Industrial Average declined, led by Verizon and AT&T, after finishing in the red in the previous session.
The S&P 500 and the Nasdaq also edged lower.
S&P 500 companies are expected to post earnings growth of 2.8 percent for the fourth quarter, up from the barely positive 0.1 percent growth in the third quarter, according to Thomson Reuters. (Read More:Brace Yourself--Earnings Disappointments Ahead)