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

Workday, Inc. Class A (WDAY) declines this week from a C to a D. Workday, Inc. Class A provides software-as-a-service solutions for managing global businesses, combining a lower cost of ownership with an innovative approach to business applications. The company also gets F’s in earnings surprise and return on equity. For more information, get Portfolio Grader’s complete analysis of WDAY stock.

Varonis Systems, Inc. (VRNS) experiences a ratings drop this week, going from last week’s C to a D. The company also gets F’s in earnings surprise and return on equity. For more information, get Portfolio Grader’s complete analysis of VRNS stock.

NQ Mobile, Inc. Sponsored ADR Class A (NQ) gets weaker ratings this week as last week’s C drops to a D. NQ Mobile, Inc. Sponsored ADR Class A provides mobile Internet services focusing on security, privacy, and productivity. The company also gets F’s in earnings revisions, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of NQ 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.