This week, 7 Software stocks are worse, according to the Portfolio Graderdatabase. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Monotype Imaging Holdings Inc. (TYPE) earns a D this week, moving down from last week’s grade of C. Monotype Imaging Holdings Inc. is a global provider of text imaging solutions for printing digital text. For more information, get Portfolio Grader’s complete analysis of TYPE stock.

Qualys, Inc. (QLYS) experiences a ratings drop this week, going from last week’s C to a D. The company also gets F’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of QLYS stock.

This is a rough week for VASCO Data Security International, Inc. (VDSI). The company’s rating falls to D from the previous week’s C. VASCO Data Security International, Inc. designs, develops, markets and supports open standards-based hardware and software security systems that manage and secure access to information assets. For more information, get Portfolio Grader’s complete analysis of VDSI stock.

Slipping from a D to a F rating, Allot Communications Ltd. (ALLT) takes a hit this week. Allot Communications Ltd. engages in developing, selling, and marketing Internet protocol service optimization and revenue generation solutions in Europe, the Middle East, Africa, the Americas, Asia, and Oceania. The company also gets F’s in sales growth, operating margin growth, earnings growth, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of ALLT stock.

This week, Sky-mobi Ltd. Sponsored ADR’s (MOBI) rating worsens to a D from the company’s C rating a week ago. Sky-mobi Ltd. Sponsored ADR engages in the operation of a mobile application platform embedded on mobile phones to provide mobile application store and services in the People’s Republic of China. The company also gets F’s in sales growth. For more information, get Portfolio Grader’s complete analysis of MOBI stock.

Digital Turbine, Inc. (APPS) declines this week from a D to a F. 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 APPS stock.

This week, Finjan Holdings, Inc. (FNJN) drops from a D to a F rating. The company also gets F’s in sales growth, earnings growth, earnings revisions, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of FNJN 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.