The ratings of 12 Software stocks are down this week, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Check Point Software Technologies Ltd. (CHKP) declines this week from a C to a D. 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.

This week, Red Hat, Inc. (RHT) drops from a C to a D rating. Red Hat, Inc. provides open source software solutions that customers are allowed to update, monitor and manage. For more information, get Portfolio Grader’s complete analysis of RHT stock.

Tableau Software, Inc. Class A (DATA) earns a F this week, moving down from last week’s grade of D. The company also gets F’s in operating margin growth, earnings revisions, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of DATA stock.

This week, Fortinet, Inc.’s (FTNT) rating worsens to a F from the company’s D rating a week ago. Fortinet, Inc. provides network security solutions. The company also gets F’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of FTNT stock.

Pegasystems Inc. (PEGA) is having a tough week. The company’s rating falls from a C to a D. Pegasystems Inc. develops customer relationship management software. For more information, get Portfolio Grader’s complete analysis of PEGA stock.

Silver Spring Networks, Inc.’s (SSNI) rating weakens this week, dropping to a D versus last week’s C. The company also gets F’s in sales growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of SSNI stock.

Rubicon Project, Inc. (RUBI) experiences a ratings drop this week, going from last week’s C to a D. For more information, get Portfolio Grader’s complete analysis of RUBI stock.

Slipping from a C to a D rating, EnerNOC, Inc. (ENOC) takes a hit this week. EnerNOC, Inc. develops and provides clean and intelligent power solutions to commercial, institutional and industrial customers, as well as electric power grid operators and utilities. The company also gets F’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of ENOC stock.

FORM Holdings Corp. (FH) gets weaker ratings this week as last week’s D drops to a F. The company also gets F’s in earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of FH stock.

CounterPath Corporation (CPAH) slips from a D to a F this week. CounterPath Corporation develops carrier-grade voice over Internet protocol and video over Internet protocol session initiation protocol softphones. The company also gets F’s in earnings revisions, earnings surprise, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of CPAH stock.

This is a rough week for Top Image Systems Ltd. (TISA). The company’s rating falls to F from the previous week’s D. Top Image Systems Ltd. develops and markets automated data capture solutions for managing and validating content gathered from customers, trading partners, and employees. The company also gets F’s in sales growth, earnings growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of TISA stock.

FalconStor Software, Inc. (FALC) slips from a C to a F this week. FalconStor Software, Inc. provides a software-only storage networking solution that simplifies storage management. The company also gets F’s in sales growth, operating margin growth, earnings growth, and free cash flow. For more information, get Portfolio Grader’s complete analysis of FALC 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.