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”).

Turkcell Iletisim Hizmetleri A.S. ADR (NYSE:TKC) ups its rating to a B (“buy”) this week after earning a C (“hold”) in the week before. Turkcell provides mobile services in Turkey. In Portfolio Grader’s specific subcategories of Earnings Revisions, Cash Flow, and Margin Growth, TKC also gets A’s. For more information, get Portfolio Grader’s complete analysis of TKC stock.

This week, SBA Communications (NASDAQ:SBAC) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. SBA Communications owns and operates wireless communications infrastructure in the United States. Shares of SBAC have increased 6.5% over the past month, better than the 1.3% decrease the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of SBAC stock.

Shenandoah Telecommunications’ (NASDAQ:SHEN) ratings are looking better this week, moving up to a B from last week’s C. Shenandoah Telecommunications provides telephone and wireless personal communications services under the Sprint brand name. Wall Street has pushed the stock higher by 14.8% over the past month. For more information, get Portfolio Grader’s complete analysis of SHEN 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.