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

AMC Networks Inc. Class A (AMCX) gets weaker ratings this week as last week’s C drops to a D. AMC Networks Inc. Class A owns and operates cable television’ brands delivering content to audiences and a platform to distributors and advertisers in the United States and internationally. For more information, get Portfolio Grader’s complete analysis of AMCX stock.

New Media Investment Group, Inc.’s (NEWM) rating weakens this week, dropping to a D versus last week’s C. For more information, get Portfolio Grader’s complete analysis of NEWM stock.

Insignia Systems, Inc. (ISIG) experiences a ratings drop this week, going from last week’s C to a D. Insignia Systems, Inc. markets in-store promotional programs and services to retailers and manufacturers. For more information, get Portfolio Grader’s complete analysis of ISIG stock.

Slipping from a C to a D rating, YOU On Demand Holdings, Inc. (YOD) takes a hit this week. YOU On Demand Holdings, Inc. engages in value-added services for cable providers, cable broadband, and publishing businesses in China. The company also gets F’s in earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of YOD 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.