This week, 5 Internet Software & Services stocks are worse, according to the Portfolio Graderdatabase. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

New Relic, Inc. (NEWR) declines this week from a C to a D. The company also gets F’s in return on equity. For more information, get Portfolio Grader’s complete analysis of NEWR stock.

Twitter, Inc.’s (TWTR) rating weakens this week, dropping to a F versus last week’s D. For more information, get Portfolio Grader’s complete analysis of TWTR stock.

Xunlei Ltd. ADR (XNET) is having a tough week. The company’s rating falls from a D to a F. The company also gets F’s in operating margin growth and earnings growth. For more information, get Portfolio Grader’s complete analysis of XNET stock.

This week, eGain Corporation’s (EGAN) rating worsens to a D from the company’s C rating a week ago. EGain Corporation provides customer service infrastructure solutions for companies involved in electronic commerce. For more information, get Portfolio Grader’s complete analysis of EGAN stock.

This is a rough week for Renren Inc. Sponsored ADR Class A (RENN). The company’s rating falls to F from the previous week’s D. Renren Inc. Sponsored ADR Class A operates a real-time social networking website. The company also gets F’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of RENN 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.