Three Media stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

Sirius XM Radio (NASDAQ:SIRI) is making progress this week as its rating of C (“hold”) from last week increases to a B (“buy”) rating this week. Sirius XM Radio broadcasts its music, sports, news, talk, entertainment, traffic and weather channels in the United States for a subscription fee through the SIRIUS system and the XM system. In Portfolio Grader’s specific subcategories of Earnings Revisions, Earnings Surprise, Equity, Cash Flow, and Margin Growth, SIRI also gets A’s. For more information, get Portfolio Grader’s complete analysis of SIRI stock.

This week, Fisher Communications‘s (NASDAQ:FSCI) ratings are up from a C last week to a B. Fisher Communications is involved in television and radio broadcasting operations, television programming development, and production and satellite teleport operations. The stock’s trailing PE Ratio is 8. For more information, get Portfolio Grader’s complete analysis of FSCI stock.

Knology (NASDAQ:KNOL) is progressing from last week’s rating of B (“buy”) as the company improves 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.