The grades of three Media stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

Sirius XM Radio (NASDAQ:SIRI) is boosting its rating from a C (“hold”) to a B (“buy”) this week. Sirius XM Radio broadcasts its music, sports, news, talk, entertainment, traffic and weather channels in the United States for a subscription fee. In Portfolio Grader’s specific subcategories of Earnings Revisions, Earnings Surprise, Equity, Cash Flow, and Margin Growth, SIRI also gets A’s. The stock price has risen 10.8% over the past month, better than the 1.2% increase the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of SIRI stock.

This is a strong week for Fisher Communications (NASDAQ:FSCI). The company’s rating climbs to B from the previous week’s C. Fisher Communications is involved in television and radio broadcasting operations, television programming development, and production and satellite teleport operations. Investors seem to agree with the upgraded status of the stock, and have pushed the stock up 7.3% over the past month. The stock’s trailing PE Ratio is 7.6. For more information, get Portfolio Grader’s complete analysis of FSCI stock.

Knology (NASDAQ:KNOL) improves its rating from a B (“buy”) to an A (“strong buy”) this week. Knology is a fully integrated provider of video, voice and advanced communications services to residential customers in the southeastern United States. For more information, get Portfolio Grader’s complete analysis of KNOL stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.