The grades of 4 Software stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

This week, SAP SE Sponsored ADR (SAP) pushes up from a B to a A rating. SAP SE Sponsored ADR sells licenses for software solutions and related support services, in addition to offering consulting, training and other services for its software solutions. The company also gets A’s in earnings growth and return on equity. For more information, get Portfolio Grader’s complete analysis of SAP stock.

Interactive Intelligence Group, Inc. (ININ) boosts its rating from a B to a A this week. Interactive Intelligence Group, Inc. provides software application suites for Voice over Internet Protocol business communications. The company also gets A’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of ININ stock.

This is a strong week for 8×8, Inc. (EGHT). The company’s rating climbs to A from the previous week’s B. 8×8, Inc. provides voice-over-Internet protocol creation platforms, hosted Internet PBX solutions, voice and video semiconductors, and related software. The company also gets A’s in sales growth and earnings surprise. For more information, get Portfolio Grader’s complete analysis of EGHT stock.

The rating of MAM Software Group, Inc. (MAMS) moves up this week, rising from a C to a B. MAM Software Group, Inc. develops and markets computer software. The company also gets A’s in operating margin growth, earnings surprise, and return on equity. For more information, get Portfolio Grader’s complete analysis of MAMS 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.