This week, 3 Media stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

This is a strong week for Sinclair Broadcast Group, Inc. Class A (SBGI). The company’s rating climbs to A from the previous week’s B. Sinclair Broadcast Group, Inc. Class A is a television broadcasting company that owns or provides programming, operating, or sales services to television stations in the United States. The company also gets A’s in operating margin growth, earnings revisions, earnings surprise, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of SBGI stock.

This week, DreamWorks Animation SKG, Inc. Class A (DWA) pushes up from a C to a B rating. DreamWorks Animation SKG, Inc. Class A produces animated films for theatrical, home entertainment, and television markets worldwide. The company also gets A’s in sales growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of DWA stock.

Visionchina Media, Inc. Sponsored ADR (VISN) gets a higher grade this week, advancing from a C last week to a B. Visionchina Media, Inc. Sponsored ADR operates out-of-home advertising network using real-time mobile digital television broadcasts to deliver content and advertising on mass transportation systems in China. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of VISN 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.