The overall ratings of 3 Health Care Providers & Services stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, Express Scripts Holding Company (ESRX) drops from a C to a D rating. Express Scripts Holding Company is a full service pharmacy benefit management and specialty managed care company serving clients throughout North America. For more information, get Portfolio Grader’s complete analysis of ESRX stock.

Community Health Systems, Inc. (CYH) slips from a D to a F this week. Community Health Systems, Inc. provides healthcare services through hospitals that it owns and operates in the United States. The company also gets F’s in earnings growth, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of CYH stock.

Brookdale Senior Living Inc. (BKD) declines this week from a D to a F. Brookdale Senior Living Inc. operates retirement centers, assisted living communities, continuing care retirement communities, and related management services in the United States. The company also gets F’s in return on equity. For more information, get Portfolio Grader’s complete analysis of BKD 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.