This week, 6 Media stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

This is a strong week for Charter Communications, Inc. Class A (CHTR). The company’s rating climbs to A from the previous week’s B. Charter Communications, Inc. Class A is a provider of traditional cable video programming (basic and digital video), high-speed Internet services, and telephone services for residential and commercial customers. The company also gets A’s in sales growth, earnings revisions, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of CHTR stock.

Time Warner Inc. (TWX) gets a higher grade this week, advancing from a B last week to a A. Time Warner Inc. is a media and entertainment company that provides cable television programming, is engaged with feature films and publishes magazines. The company also gets A’s in earnings growth, earnings revisions, earnings surprise, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of TWX stock.

Scripps Networks Interactive, Inc. Class A (SNI) earns a B this week, jumping up from last week’s grade of C. Scripps Networks Interactive, Inc. Class A is a lifestyle content and interactive services company. The company also gets A’s in earnings surprise, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of SNI stock.

Cinemark Holdings, Inc. (CNK) is seeing ratings go up from a C last week to a B this week. Cinemark Holdings, Inc. is engaged in the motion picture exhibition industry, and own theatres internationally. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of CNK stock.

AMC Entertainment Holdings, Inc. Class A (AMC) shows solid improvement this week. The company’s rating rises from a C to a B. For more information, get Portfolio Grader’s complete analysis of AMC stock.

Central European Media Enterprises Ltd. Class A’s (CETV) ratings are looking better this week, moving up to a B from last week’s C. Central European Media Enterprises Ltd. Class A is a media and entertainment company, which operates broadcast, content, and new media businesses in central and eastern Europe. For more information, get Portfolio Grader’s complete analysis of CETV 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.