The grades of 6 Media stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Time Warner Cable Inc. (TWC) shows solid improvement this week. The company’s rating rises from a B to a A. Time Warner Cable Inc. is a cable operator in the United States. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of TWC stock.

Liberty Media Corp. Class A (LMCA) boosts its rating from a C to a B this week. Liberty Media Corp. Class A owns interests in a broad range of media, communications and entertainment businesses. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of LMCA stock.

AMC Entertainment Holdings, Inc. Class A’s (AMC) ratings are looking better this week, moving up to a B from last week’s C. The company also gets A’s in earnings growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of AMC stock.

National CineMedia, Inc. (NCMI) improves from a C to a B rating this week. National CineMedia, Inc. operates a digital in-theaters network in North America. The company also gets A’s in earnings growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of NCMI stock.

This week, New York Times Company Class A’s (NYT) ratings are up from a C last week to a B. New York Times Company Class A publishes daily newspapers and operates Internet websites. The company also gets A’s in earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of NYT stock.

IDI Inc (IDI) is seeing ratings go up from a B last week to a A this week. IDI Inc offers outdoor billboards and in-elevator advertising in China. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of IDI 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.