This week, the overall grades of 4 Software stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

CyberArk Software Ltd. (CYBR) gets weaker ratings this week as last week’s C drops to a D. For more information, get Portfolio Grader’s complete analysis of CYBR stock.

This week, SeaChange International, Inc. (SEAC) drops from a C to a D rating. SeaChange International, Inc. is a developer, manufacturer, and marketer of digital video systems and services. The company also gets F’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of SEAC stock.

Sonic Foundry, Inc. (SOFO) declines this week from a C to a D. Sonic Foundry, Inc. provides software products and services for the creation and editing of digital audio and video content. The company also gets F’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of SOFO stock.

Datawatch Corporation’s (DWCH) rating weakens this week, dropping to a D versus last week’s C. Datawatch Corporation provides business intelligence/enterprise reporting, data transformation, and support center solutions. 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 DWCH 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.