The overall ratings of 11 Software stocks are down on Portfolio Grader this week. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Tableau Software, Inc. Class A (DATA) declines this week from a B to a D. The company also gets F’s in earnings revisions, earnings momentum, and return on equity. For more information, get Portfolio Grader’s complete analysis of DATA stock.

Splunk Inc.’s (SPLK) rating weakens this week, dropping to a D versus last week’s C. Splunk Inc. provides an innovative software platform that enables organizations to gain real-time operational intelligence by harnessing the value of their data. The company also gets F’s in return on equity. For more information, get Portfolio Grader’s complete analysis of SPLK stock.

Qlik Technologies Inc. (QLIK) gets weaker ratings this week as last week’s C drops to a D. Qlik Technologies Inc. develops business intelligence solutions. The company also gets F’s in earnings surprise and return on equity. For more information, get Portfolio Grader’s complete analysis of QLIK stock.

Changyou.com Ltd. Sponsored ADR Class A (CYOU) slips from a C to a D this week. Changyou.com Ltd. Sponsored ADR Class A develops and operates online games in China. The company also gets F’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of CYOU stock.

Slipping from a C to a D rating, Zendesk, Inc. (ZEN) takes a hit this week. The company also gets F’s in earnings surprise and return on equity. For more information, get Portfolio Grader’s complete analysis of ZEN stock.

This week, Varonis Systems, Inc. (VRNS) drops from a C to a D rating. 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.

This week, Park City Group, Inc.’s (PCYG) rating worsens to a D from the company’s C rating a week ago. Park City Group, Inc. provides software and consulting services for business productivity. The company also gets F’s in return on equity. For more information, get Portfolio Grader’s complete analysis of PCYG stock.

TeleNav, Inc. (TNAV) experiences a ratings drop this week, going from last week’s C to a D. TeleNav, Inc. provides personalized mobile navigation service in the United States and internationally. The company also gets F’s in earnings surprise and return on equity. For more information, get Portfolio Grader’s complete analysis of TNAV stock.

Attunity Ltd (ATTU) earns a D this week, moving down from last week’s grade of C. Attunity Ltd provides information availability software solutions for real-time data integration, application release automation, and managed file transfer. The company also gets F’s in earnings growth, earnings revisions, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of ATTU stock.

This is a rough week for Datawatch Corporation (DWCH). The company’s rating falls to D from the previous week’s C. Datawatch Corporation provides business intelligence/enterprise reporting, data transformation, and support center solutions. The company also gets F’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of DWCH stock.

Glu Mobile Inc. (GLUU) is having a tough week. The company’s rating falls from a C to a D. Glu Mobile Inc. develops and publishes mobile games on a global basis. The company also gets F’s in operating margin growth, earnings growth, and earnings revisions. For more information, get Portfolio Grader’s complete analysis of GLUU 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.