The grades of three communications equipment stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

Finisar Corporation (FNSR) is bumping up its rating from a C (“hold”) to a B (“buy”) this week. Finisar provides fiber optic subsystems and network performance test systems which enable high-speed data communications over local area network and storage area networks. In Portfolio Grader’s specific subcategories of Earnings Momentum, Earnings Revisions, Margin Growth and Sales Growth, FNSR also gets A’s. The stock price has risen 5.5% 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 FNSR stock.

Alcatel-Lucent SA Sponsored ADR (ALU) is making headway this week, with the company’s rating improving to an A (“strong buy”) from a B (“buy”) last week. Alcatel-Lucent provides products that enable service providers, enterprises and governments worldwide to deliver voice, data, and video communication services to end-users. For more information, get Portfolio Grader’s complete analysis of ALU stock.

Brocade Communications Systems, Inc. (BRCD) boosts its rating from a B to an A 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. Wall Street seems to agree with the upgrade and has propelled the stock up 10% over the past month. 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.