NEW YORK ( TheStreet) -- Shares of Cablevision Systems (NYSE: CVC) were gapping down Friday morning with an open price 10.7% lower than Thursday's closing price. The stock closed at $13.93 Thursday and opened today's trading at $12.44. The average volume for Cablevision Systems has been three million shares per day over the past 30 days. Cablevision Systems has a market cap of $3.15 billion and is part of the services sector and media industry. Shares are down 58.6% year to date as of the close of trading on Thursday. Cablevision Systems Corporation, through its subsidiaries, operates as a telecommunications, media, and entertainment company. The company has a P/E ratio of 10.1, below the average media industry P/E ratio of 11.9 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Cablevision Systems as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, unimpressive growth in net income and weak operating cash flow. You can view the full Cablevision Systems Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping down? Get free SMS text alerts sent to you when the action happens by texting DOWN to 95370 or select from multiple alert options.