This week, the ratings of 10 Internet Software & Services stocks on Portfolio Grader are down. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

IAC/InterActiveCorp. (IAC) is having a tough week. The company’s rating falls from a D to a F. The company also gets F’s in earnings surprise and earnings momentum. For more information, get Portfolio Grader’s complete analysis of IAC stock.

Autohome, Inc. Sponsored ADR Class A (ATHM) declines this week from a C to a D. For more information, get Portfolio Grader’s complete analysis of ATHM stock.

United Online, Inc.’s (UNTD) rating weakens this week, dropping to a D versus last week’s C. United Online, Inc. provides consumer products and services over the Internet. The company also gets F’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of UNTD stock.

IntraLinks Holdings, Inc. (IL) slips from a C to a D this week. IntraLinks Holdings, Inc. provides Software-as-a-Service solutions for managing content, exchanging business information and collaborating within and among organizations. The company also gets F’s in earnings surprise and return on equity. For more information, get Portfolio Grader’s complete analysis of IL stock.

This week, Points International Ltd. (PCOM) drops from a C to a D rating. Points International Ltd. offers proprietary solutions to the loyalty industry. The company also gets F’s in earnings revisions and earnings momentum. For more information, get Portfolio Grader’s complete analysis of PCOM stock.

SharpSpring, Inc. (SHSP) gets weaker ratings this week as last week’s C drops to a D. The company also gets F’s in operating margin growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of SHSP stock.

This is a rough week for Spark Networks, Inc. (LOV). The company’s rating falls to D from the previous week’s C. Spark Networks, Inc. is a provider of online personals services in the United States and internationally. The company also gets F’s in sales growth and earnings revisions. For more information, get Portfolio Grader’s complete analysis of LOV stock.

Slipping from a C to a D rating, Perion Network Ltd (PERI) takes a hit this week. Perion Network Ltd is a digital media company that provides products and services to consumers. The company also gets F’s in sales growth, operating margin growth, earnings growth, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of PERI stock.

This week, Synacor, Inc.’s (SYNC) rating worsens to a D from the company’s C rating a week ago. Synacor, Inc. provides authentication and aggregation solutions for delivery of online content and services. The company also gets F’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of SYNC stock.

Tremor Video, Inc. (TRMR) experiences a ratings drop this week, going from last week’s C to a D. The company also gets F’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of TRMR 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.