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

Motorola Solutions (NYSE:MSI) ups its rating to a B (“buy”) this week after earning a C (“hold”) in the week before. Motorola Solutions is a data communications and telecommunications equipment provider. In Portfolio Grader’s specific subcategory of Earnings Growth, MSI also gets an A. For more information, get Portfolio Grader’s complete analysis of MSI stock.

Sierra Wireless (NASDAQ:SWIR) boosts its rating from a C to a B this week. Sierra Wireless provides edge wireless solutions for the mobile computing and machine-to-machine markets. For more information, get Portfolio Grader’s complete analysis of SWIR stock.

Brocade Communications (NASDAQ:BRCD) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. Brocade Communications Systems supplies networking equipment for the Global 1000 enterprises and service providers such as telecommunication firms, cable operators, and mobile carriers. Shares of BRCD have increased 17.1% over the past month, better than the 4.2% increase the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of BRCD 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.