The grades of 4 Internet Software & Services 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.

LinkedIn Corporation Class A (LNKD) improves from a C to a B rating this week. LinkedIn Corporation Class A operates a social networking website used for professional networking. The company also gets A’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of LNKD stock.

New Relic, Inc. (NEWR) is seeing ratings go up from a C last week to a B this week. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of NEWR stock.

Youku Tudou, Inc. Sponsored ADR Class A’s (YOKU) ratings are looking better this week, moving up to a A from last week’s B. Youku Tudou, Inc. Sponsored ADR Class A is an Internet television company. The company also gets A’s in sales growth and earnings surprise. For more information, get Portfolio Grader’s complete analysis of YOKU stock.

The rating of Remark Media, Inc. (MARK) moves up this week, rising from a C to a B. Remark Media, Inc. is focused on developing social media businesses that incorporate relevant, high quality content. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of MARK 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.