This week, 5 IT Services stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

Visa Inc. Class A (V) shows solid improvement this week. The company’s rating rises from a C to a B. Visa Inc. Class A is a global payments technology company that connects consumers, businesses, banks and governments around the world. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of V stock.

Broadridge Financial Solutions, Inc. (BR) boosts its rating from a B to a A this week. Broadridge Financial Solutions, Inc. provides investor communication, securities processing, and clearing and outsourcing solutions to the financial services industry. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of BR stock.

This week, Science Applications International Corp.’s (SAIC) ratings are up from a B last week to a A. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of SAIC stock.

This is a strong week for CSG Systems International, Inc. (CSGS). The company’s rating climbs to A from the previous week’s B. CSG Systems International, Inc. provides business support solutions primarily to the communications industry. The company also gets A’s in operating margin growth and return on equity. For more information, get Portfolio Grader’s complete analysis of CSGS stock.

CardConnect Corp. (CCN) gets a higher grade this week, advancing from a C last week to a B. For more information, get Portfolio Grader’s complete analysis of CCN 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.