(CNBC) U.S. stocks closed lower Thursday, with telecoms leading declines amid the latest batch of earnings.
"The S&P 500 is definitely weighed on by United, Travelers and Verizon," said JJ Kinahan, chief strategist at TD Ameritrade. "You have a few stocks that have had oversized (impact)."
Telecommunications services closed 2.7 percent lower to lead S&P 500 decliners and only health care gaining. The index closed below the psychologically key 2,100 level, but Kinahan said the more important level for him was 2,082.
Advertisement - story continues below