The grades of 4 Pharmaceuticals stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Zoetis, Inc. Class A (ZTS) shows solid improvement this week. The company’s rating rises from a C to a B. The company also gets A’s in operating margin growth, earnings momentum, and return on equity. For more information, get Portfolio Grader’s complete analysis of ZTS stock.

GlaxoSmithKline plc Sponsored ADR (GSK) improves from a C to a B rating this week. GlaxoSmithKline plc Sponsored ADR is a research-based pharmaceutical company. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of GSK stock.

This week, Cynapsus Therapeutics Inc. (CYNA) pushes up from a C to a B rating. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of CYNA stock.

This week, Evoke Pharma, Inc.’s (EVOK) ratings are up from a C last week to a B. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of EVOK 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.