NEW YORK ( TheStreet) -- Cablevision Systems (NYSE: CVC) is trading at unusually high volume Tuesday with 14.3 million shares changing hands. It is currently at four times its average daily volume and trading down $1.56 (-10%) at $14.08 as of 1:40 p.m. ET. Cablevision Systems has a market cap of $3.19 billion and is part of the services sector and media industry. Shares are up 10% year to date as of the close of trading on Monday. Cablevision Systems Corporation, through its subsidiaries, operates as a telecommunications, media, and entertainment company. The company has a P/E ratio of 11.2, below the average media industry P/E ratio of 12 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. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are falling on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVDOWN to 95370 or select from multiple alert options.