This week, four diversified telecommunication services stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

inContact, Inc. (SAAS) ups its rating to a B (“buy”) this week after earning a C (“hold”) in the week before. inContact provides cloud-based contact center software services and network connectivity in the United States. In Portfolio Grader’s specific subcategory of Sales Growth, SAAS also gets an A. Shares of the stock have been trading at an exceptionally rapid pace, up twofold from the week prior. For more information, get Portfolio Grader’s complete analysis of SAAS stock.

This week, FairPoint Communications, Inc.’s (FRP) ratings are up from a C last week to a B. FairPoint Communications provides communications services to residential and business customers. For more information, get Portfolio Grader’s complete analysis of FRP stock.

This is a strong week for Telecom Argentina SA Sponsored ADR (TEO). The company’s rating climbs to B from the previous week’s C. Telecom Argentina is a provider of integrated communications that offers fixed and mobile telecommunication services. For more information, get Portfolio Grader’s complete analysis of TEO stock.

The rating of Alaska Communications Systems Group, Inc. (ALSK) moves up this week, rising from a C to a B. Alaska Communications Systems provides integrated communications services primarily in Alaska. For more information, get Portfolio Grader’s complete analysis of ALSK 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.