5 Pharmaceuticals stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

Allergan plc (AGN) improves from a C to a B rating this week. Allergan plc is a healthcare company focused on developing and commercializing pharmaceuticals, biologics, and medical devices. The company also gets A’s in sales growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of AGN stock.

This week, Taro Pharmaceutical Industries Ltd. (TARO) pushes up from a C to a B rating. Taro Pharmaceutical Industries Ltd. is engaged in developing, manufacturing, and marketing prescription and over-the-counter pharmaceutical products, as well as active pharmaceutical ingredients in the United States, Canada and Israel. The company also gets A’s in sales growth, earnings growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of TARO stock.

GW Pharmaceuticals PLC Sponsored ADR (GWPH) gets a higher grade this week, advancing from a C last week to a B. For more information, get Portfolio Grader’s complete analysis of GWPH stock.

Aerie Pharmaceuticals, Inc. (AERI) earns a B this week, jumping up from last week’s grade of C. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of AERI stock.

Amphastar Pharmaceuticals Inc’s (AMPH) ratings are looking better this week, moving up to a B from last week’s C. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of AMPH 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.