This week, 4 Internet Software & Services stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

j2 Global Inc’s (JCOM) ratings are looking better this week, moving up to a A from last week’s B. J2 Global Inc provides outsourced messaging and communications services to individuals and businesses throughout the world. For more information, get Portfolio Grader’s complete analysis of JCOM stock.

The rating of WebMD Health Corp. (WBMD) moves up this week, rising from a B to a A. WebMD Health Corp. provides health information services to consumers, physicians and other healthcare professionals, employers, and health plans through its public and private online portals, mobile platforms, and health-focused publications in the United States. The company also gets A’s in operating margin growth, earnings growth, earnings revisions, and return on equity. For more information, get Portfolio Grader’s complete analysis of WBMD stock.

This week, Weibo Corp Sponsored ADR Class A (WB) pushes up from a B to a A rating. The company also gets A’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of WB stock.

Rightside Group Ltd (NAME) shows solid improvement this week. The company’s rating rises from a C to a B. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of NAME 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.