The grades of seven pharmaceutical stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

NuPathe Inc. (PATH) is bumping up its rating from a C (“hold”) to a B (“buy”) this week. NuPathe develops pharmaceutical products used for the treatment and management of neurological and psychiatric diseases. In Portfolio Grader’s specific subcategories of Earnings Momentum and Earnings Revisions, PATH also gets A’s. For more information, get Portfolio Grader’s complete analysis of PATH stock.

This week, GW Pharmaceuticals PLC Sponsored ADR’s (GWPH) ratings are up from a C last week to a B. Shares of the stock have been changing hands at an unusually rapid pace, up 633.2% from the week prior. For more information, get Portfolio Grader’s complete analysis of GWPH stock.

This week, Watson Pharmaceuticals (WPI) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. Watson develops, manufactures, markets, sells and distributes pharmaceutical products. For more information, get Portfolio Grader’s complete analysis of WPI stock.

Lipocine, Inc. (LPCN) shows solid improvement this week. The company’s rating rises from a C to a B. Lipocine is engaged in the development of pharmaceutical products in the areas of men’’s and women’’s health. For more information, get Portfolio Grader’s complete analysis of LPCN stock.

The rating of Paratek Pharmaceuticals Inc (PRTK) moves up this week, rising from a B to an A. For more information, get Portfolio Grader’s complete analysis of PRTK stock.

Cardiome Pharma (CRME) boosts its rating from a C to a B this week. Cardiome Pharma focuses on the discovery, development, and commercialization of drugs to treat or prevent cardiovascular and other diseases. For more information, get Portfolio Grader’s complete analysis of CRME stock.

This week, AbbVie, Inc.’s (ABBV) ratings are up from a C last week to a B. AbbVie, a research-based biopharmaceutical company, engages in the discovery, development, manufacture, and sale of pharmaceutical products worldwide. For more information, get Portfolio Grader’s complete analysis of ABBV 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.