This week, the overall grades of 11 Software stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, Ultimate Software Group, Inc. (ULTI) drops from a C to a D rating. Ultimate Software Group, Inc. designs, develops, and markets unified HCM SaaS solutions for businesses. For more information, get Portfolio Grader’s complete analysis of ULTI stock.

Tyler Technologies, Inc. (TYL) slips from a C to a D this week. Tyler Technologies, Inc. provides integrated software systems and related services for local-government entities such as counties and schools. For more information, get Portfolio Grader’s complete analysis of TYL stock.

This is a rough week for Check Point Software Technologies Ltd. (CHKP). The company’s rating falls to D from the previous week’s C. Check Point Software Technologies Ltd. develops, markets, and supports a range of software, and combined hardware and software products and services for information technology (IT) security worldwide. For more information, get Portfolio Grader’s complete analysis of CHKP stock.

Workday, Inc. Class A (WDAY) earns a D this week, moving down from last week’s grade of C. 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 revisions, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of WDAY stock.

salesforce.com, inc.’s (CRM) rating weakens this week, dropping to a D versus last week’s C. Salesforce.com, inc. offers businesses a technology platform for Internet-based computing, storage, and connectivity solutions. For more information, get Portfolio Grader’s complete analysis of CRM stock.

Guidewire Software, Inc. (GWRE) declines this week from a C to a D. Guidewire Software, Inc. provides Internet-based software platforms for core insurance operations, including underwriting and policy administration, claim management and billing. The company also gets F’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of GWRE stock.

Qualys, Inc. (QLYS) is having a tough week. The company’s rating falls from a C to a D. The company also gets F’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of QLYS stock.

Slipping from a C to a D rating, Paylocity Holding Corp. (PCTY) takes a hit this week. For more information, get Portfolio Grader’s complete analysis of PCTY stock.

This week, Zendesk, Inc.’s (ZEN) rating worsens to a D from the company’s C rating a week ago. The company also gets F’s in return on equity. For more information, get Portfolio Grader’s complete analysis of ZEN stock.

Monotype Imaging Holdings Inc. (TYPE) gets weaker ratings this week as last week’s D drops to a F. Monotype Imaging Holdings Inc. is a global provider of text imaging solutions for printing digital text. The company also gets F’s in earnings growth and earnings revisions. For more information, get Portfolio Grader’s complete analysis of TYPE stock.

FORM Holdings Corp. (FH) experiences a ratings drop this week, going from last week’s C to a D. The company also gets F’s in earnings momentum and free cash flow. For more information, get Portfolio Grader’s complete analysis of FH 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.