This week, the overall grades of 3 IT Services stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Teradata Corporation (TDC) gets weaker ratings this week as last week’s D drops to a F. Teradata Corporation provides customers with enterprise data warehousing, including enterprise analytic technologies and services through software, hardware, and related business consulting and support services. The company also gets F’s in operating margin growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of TDC stock.

Slipping from a C to a D rating, MoneyGram International, Inc. (MGI) takes a hit this week. MoneyGram International, Inc. provides payment services to consumers and businesses through a network of agents and its financial institution customers. The company also gets F’s in operating margin growth and free cash flow. For more information, get Portfolio Grader’s complete analysis of MGI stock.

Higher One Holdings, Inc. (ONE) slips from a C to a D this week. Higher One Holdings, Inc. provides technology and payment services to the higher education industry as well as student-oriented banking services on campus communities. The company also gets F’s in operating margin growth and earnings growth. For more information, get Portfolio Grader’s complete analysis of ONE 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.