U.S. stocks were down the day after the last presidential debate. The telecommunications services sector was down more than 1% today as disappointing quarterly results pull down the entire the industry.

Verizon Communications  (VZ - Get Report) reported on Thursday that it generated $30.93 billion in revenue in the third quarter, which fell short of analyst' estimates. The earnings report came as Verizon prepares to merge with Yahoo!  (YHOO . In July, Verizon agreed to purchase Yahoo for $4.8 billion. Both companies have been on thin ice since Yahoo recently disclosed a massive data breach that could have affected as many as 500 million users.

Verizon also disclosed declining subscriber growth, which came in the midst of a pricing war between competitors such as AT&T  (T - Get Report) , Sprint  (S - Get Report) and T-Mobile  (TMUS - Get Report) . Shares of Verizon dipped 2.46% to $49.14 per share today.

Pressures for Verizon rise as Bloomberg reported on Thursday that senior executives of AT&T and Time Warner  (TWX have discussed the possibility of a merger.

Consolidated Communications Holdings  (CNSL - Get Report) was the biggest loser of the day. Shares of Consolidated fell almost 7% to $23.42 per share by the market's close after analysts at Stephens & Co. downgraded their rating on the CNSL stock from "equal weight" to "underweight" today.

Israel-based telecommunications company B Communications  (BCOM - Get Report) saw its shares decrease 4.16% to $22.06 by the market's close. B Communications is a holding company with a controlling interest in Israel's largest telecommunications provider, Bezeq.

Other market movers include j2 Global  (JCOM - Get Report) , an LA-based communications company that provides internet services through business cloud services and digital media. The company's stock experienced unusually high volume on October 18, gaining 0.19% to a closing price of $64.62. In comparison, shares of j2 Global were down 2.69% to $62.69 per share today.