This week, 3 Media stocks are worse, according to the Portfolio Graderdatabase. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, Viacom Inc. Class B’s (VIAB) rating worsens to a D from the company’s C rating a week ago. Viacom Inc. Class B is a global entertainment content company which connects with audiences through compelling content across television, motion picture, online and mobile platforms in various countries. For more information, get Portfolio Grader’s complete analysis of VIAB stock.

Manchester United Plc Class A (MANU) earns a D this week, moving down from last week’s grade of C. Manchester United Plc Class A is engaged in the ownership and operation of Manchester United Football Club, a professional football club in the United Kingdom. The company also gets F’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of MANU stock.

Slipping from a C to a D rating, Hemisphere Media Group, Inc. Class A (HMTV) takes a hit this week. Hemisphere Media Group, Inc. Class A is a Spanish language media company targeting the Hispanic TV/cable networks business. For more information, get Portfolio Grader’s complete analysis of HMTV 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.