Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 146 points (1.1%) at 13,259 as of Tuesday, Nov. 6, 2012, 11:49 AM ET. The NYSE advances/declines ratio sits at 2,070 issues advancing vs. 801 declining with 135 unchanged. The Media industry currently sits up 0.4% versus the S&P 500, which is up 0.9%. A company within the industry that fell today was Time Warner ( TWX), up 0.5%. TheStreet Ratings group would like to highlight 4 stocks pushing the industry lower today: 4. Discovery Communications ( DISCK) is one of the companies pushing the Media industry lower today. As of noon trading, Discovery Communications is down $1.69 (-3.1%) to $52.89 on average volume Thus far, 216,092 shares of Discovery Communications exchanged hands as compared to its average daily volume of 379,500 shares. The stock has ranged in price between $51.75-$54.11 after having opened the day at $54.11 as compared to the previous trading day's close of $54.58. Discovery Communications, Inc. operates as a non fiction media and entertainment company worldwide. The company provides original and purchased programming across various distribution platforms. Discovery Communications has a market cap of $5.2 billion and is part of the services sector. The company has a P/E ratio of 21.0, above the S&P 500 P/E ratio of 17.7. Shares are up 46.3% year to date as of the close of trading on Monday. Currently there are no analysts that rate Discovery Communications a buy, no analysts rate it a sell, and none rate it a hold. TheStreet Ratings rates Discovery Communications as a buy. 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, notable return on equity, solid stock price performance and impressive record of earnings per share growth. We feel these strengths outweigh the fact that the company shows weak operating cash flow. Get the full Discovery Communications Ratings Report now.