This week, 3 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”).

Juniper Networks, Inc. (JNPR) boosts its rating from a B to a A this week. Juniper Networks, Inc. provides Internet infrastructure solutions for Internet service providers and other telecommunications service providers. The company also gets A’s in earnings revisions, earnings surprise, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of JNPR stock.

Cisco Systems, Inc. (CSCO) earns a B this week, jumping up from last week’s grade of C. Cisco Systems, Inc. sells networking and communications products, and is engaged in the design, manufacturing, and sales of Internet Protocol-based consumer electronics. For more information, get Portfolio Grader’s complete analysis of CSCO stock.

This week, Brocade Communications Systems, Inc.’s (BRCD) ratings are up from a C last week to a B. Brocade Communications Systems, Inc. supplies networking equipment for the Global 1000 enterprises and service providers such as telecommunication firms, cable operators, and mobile carriers. The company also gets A’s in operating margin growth and free cash flow. 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.