The grades of 5 Health Care Equipment & Supplies stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

C. R. Bard, Inc. (BCR) earns a A this week, jumping up from last week’s grade of B. C. R. Bard, Inc. is engaged in the design, manufacture, packaging, distribution and sale of medical, surgical, diagnostic and patient care devices. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of BCR stock.

DENTSPLY SIRONA, Inc. (XRAY) boosts its rating from a B to a A this week. DENTSPLY SIRONA, Inc. designs and manufactures a range of dental products. For more information, get Portfolio Grader’s complete analysis of XRAY stock.

NuVasive, Inc. (NUVA) shows solid improvement this week. The company’s rating rises from a C to a B. NuVasive, Inc. designs, develops, and markets products for the surgical treatment of spine disorders. The company also gets A’s in earnings growth. For more information, get Portfolio Grader’s complete analysis of NUVA stock.

InVivo Therapeutics Corporation’s (NVIV) ratings are looking better this week, moving up to a B from last week’s C. For more information, get Portfolio Grader’s complete analysis of NVIV stock.

This week, BioLife Solutions, Inc.’s (BLFS) ratings are up from a C last week to a B. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of BLFS 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.