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

Cumberland Pharmaceuticals (NASDAQ:CPIX) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Cumberland Pharmaceuticals engages in the acquisition, development, and commercialization of branded prescription products for the hospital acute care and gastroenterology markets primarily in the United States. In Portfolio Grader’s specific subcategory of Earnings Surprise, CPIX also gets an A. For more information, get Portfolio Grader’s complete analysis of CPIX stock.

This week, Zogenix (NASDAQ:ZGNX) pushes up from a C to a B rating. Zogenix is a pharmaceutical company commercializing and developing products for the treatment of central nervous system disorders and pain. Shares of ZGNX have increased 13.3% over the past month, better than the 3.3% increase the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of ZGNX stock.

This week, Acura Pharmaceuticals‘s (NASDAQ:ACUR) ratings are up from a C last week to a B. Acura Pharmaceuticals engages in the research, development, and manufacture of pharmaceutical product candidates utilizing its proprietary Aversion and Impede technologies. For more information, get Portfolio Grader’s complete analysis of ACUR 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.