7 Health Care Providers & Services 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”).

Aetna Inc. (AET) is seeing ratings go up from a C last week to a B this week. Aetna Inc. is a health insurance company involved in health benefits such as medical, dental, group life, and disability plans. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of AET stock.

Magellan Health, Inc. (MGLN) improves from a C to a B rating this week. Magellan Health, Inc. coordinates and manages the delivery of behavioral healthcare treatment services. The company also gets A’s in earnings growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of MGLN stock.

CorVel Corporation’s (CRVL) ratings are looking better this week, moving up to a A from last week’s B. CorVel Corporation provides managed care services in the workers’ compensation, accident and health, and auto insurance markets across the United States. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of CRVL stock.

iKang Healthcare Group, Inc. Sponsored ADR Class A (KANG) boosts its rating from a C to a B this week. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of KANG stock.

The rating of National Research Corporation Class A (NRCIA) moves up this week, rising from a C to a B. The company also gets A’s in earnings growth and return on equity. For more information, get Portfolio Grader’s complete analysis of NRCIA stock.

Digirad Corporation (DRAD) shows solid improvement this week. The company’s rating rises from a B to a A. Digirad Corporation engages in the development and manufacture of medical diagnostic imaging systems for nuclear cardiology and general nuclear medicine applications primarily in the United States. The company also gets A’s in sales growth, operating margin growth, earnings growth, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of DRAD stock.

This week, BioScrip, Inc.’s (BIOS) ratings are up from a C last week to a B. BioScrip, Inc. provides pharmacy and home health services in the United States. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of BIOS 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.