The overall ratings of 4 Media stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Time Warner Inc. (TWX) experiences a ratings drop this week, going from last week’s C to a D. Time Warner Inc. is a media and entertainment company that provides cable television programming, is engaged with feature films and publishes magazines. For more information, get Portfolio Grader’s complete analysis of TWX stock.

This week, Twenty-First Century Fox, Inc. Class A’s (FOXA) rating worsens to a F from the company’s D rating a week ago. Twenty-First Century Fox, Inc. Class A operates as a diversified media and entertainment company worldwide. The company also gets F’s in operating margin growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of FOXA stock.

Eros International PLC Class A (EROS) gets weaker ratings this week as last week’s C drops to a D. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of EROS stock.

MDC Partners Inc. Class A’s (MDCA) rating weakens this week, dropping to a D versus last week’s C. MDC Partners Inc. Class A provides advertising and specialized communication services to brands throughout the United States, Canada, and the United Kingdom. For more information, get Portfolio Grader’s complete analysis of MDCA 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.