The overall ratings of 4 Diversified Consumer Services stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Capella Education Company (CPLA) experiences a ratings drop this week, going from last week’s C to a D. Capella Education Company is an online postsecondary education services company that offers doctoral, master’s, and bachelor’s programs. For more information, get Portfolio Grader’s complete analysis of CPLA stock.

This week, StoneMor Partners L.P.’s (STON) rating worsens to a D from the company’s C rating a week ago. StoneMor Partners L.P. owns and operates cemeteries in the United States. The company also gets F’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of STON stock.

Apollo Education Group, Inc. Class A (APOL) earns a F this week, moving down from last week’s grade of D. Apollo Education Group, Inc. Class A is a private-education provider at the undergraduate, graduate, and doctoral levels. The company also gets F’s in sales growth, operating margin growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of APOL stock.

Universal Technical Institute, Inc.’s (UTI) rating weakens this week, dropping to a F versus last week’s D. Universal Technical Institute, Inc. is a provider of postsecondary education for students seeking careers as automotive, diesel, collision repair, motorcycle and marine technicians. The company also gets F’s in operating margin growth, earnings growth, earnings revisions, and free cash flow. For more information, get Portfolio Grader’s complete analysis of UTI 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.