Three wireless telecom 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”).

Partner Communications Co. Ltd. Sponsored ADR (PTNR) is making progress this week as its rating of C (“hold”) from last week increases to a B (“buy”) rating this week. Partner Communications is a mobile telephone network operator in Israel. In Portfolio Grader’s specific subcategories of Equity, Cash Flow and Margin Growth, PTNR also gets A’s. 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 PTNR stock.

This week, Spok Holdings, Inc. (SPOK) pushes up from a C to a B rating. Shares of the stock have been trading at an exceptionally rapid pace, up 1333.5% from the week prior. For more information, get Portfolio Grader’s complete analysis of SPOK stock.

Vodafone Group Plc Sponsored ADR (VOD) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. Vodafone is engaged in providing voice and data communications services for both consumers and enterprise customers, with a significant presence in Europe, the Middle East, Africa, the Asia Pacific region, and the United States. Shares of the stock have been trading at an exceptionally rapid pace, up threefold from the week prior. For more information, get Portfolio Grader’s complete analysis of VOD 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.