Cablevision tumbled 3.8% to close at $25.44 a share.
The cable company fell, despite Canaccord Genuity raising its price target to $22 a share from $21 per share. Canaccord also slightly increased its 2016 earnings estimates for Cablevision, citing the company's net subscriber performance.
When Cablevision posted its second quarter results last week, it reported a far lower level of net subscriber loss than Wall Street expected. Instead of losing roughly 30,000 net subscribers, Cablevision lost only 16,000.
Verizon Communications edged up 0.78% to finish the session at $47.60, on a day when the broader markets retreated.
Verizon managed to advance after MoffettNathanson upgraded the company to a buy, according to an Investor's Business Dailyreport. The firm also has a $54 price target on the stock.
Meanwhile, Craig Moffett, an analyst with the firm that bears his name, plans to discuss the telecom sector on Thursday and the various reasons why "Verizon is his preferred pick to play the recovery," according to information on the firm's site.
This article is commentary by an independent contributor. At the time of publication, the author held no positions in the stocks mentioned.