3 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”).

Chemed Corporation (CHE) boosts its rating from a B to a A this week. Chemed Corporation provides hospice care, and plumbing and drain cleaning services in the United States. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of CHE stock.

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

This week, China Cord Blood Corporation’s (CO) ratings are up from a B last week to a A. China Cord Blood Corporation engages in the provision of umbilical cord blood storage and ancillary services in its cord blood banks. The company also gets A’s in earnings growth, earnings revisions, earnings surprise, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of CO 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.