5 Internet Software & Services stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

Q2 Holdings, Inc. (QTWO) is seeing ratings go up from a B last week to a A this week. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of QTWO stock.

Reis, Inc. (REIS) earns a B this week, jumping up from last week’s grade of C. Reis, Inc. is engaged in the business of providing commercial real estate market information and analytical tools for its customers. The company also gets A’s in earnings surprise and earnings momentum. For more information, get Portfolio Grader’s complete analysis of REIS stock.

This week, 21Vianet Group, Inc. Sponsored ADR Class A (VNET) pushes up from a C to a B rating. 21Vianet Group, Inc. Sponsored ADR Class A provides carrier-neutral Internet data center services in the People’’s Republic of China. For more information, get Portfolio Grader’s complete analysis of VNET stock.

Five9, Inc.’s (FIVN) ratings are looking better this week, moving up to a A from last week’s B. The company also gets A’s in sales growth and earnings revisions. For more information, get Portfolio Grader’s complete analysis of FIVN stock.

This week, Spark Networks, Inc.’s (LOV) ratings are up from a C last week to a B. Spark Networks, Inc. is a provider of online personals services in the United States and internationally. The company also gets A’s in earnings surprise and return on equity. For more information, get Portfolio Grader’s complete analysis of LOV 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.