The grades of 4 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.

Arista Networks, Inc. (ANET) boosts its rating from a C to a B this week. The company also gets A’s in sales growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of ANET stock.

The rating of NETGEAR, Inc. (NTGR) moves up this week, rising from a B to a A. NETGEAR, Inc. provides networking products designed for small businesses and homes. The company also gets A’s in operating margin growth, earnings revisions, earnings surprise, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of NTGR stock.

ADTRAN, Inc. (ADTN) improves from a B to a A rating this week. ADTRAN, Inc. designs, manufactures, markets and services network access solutions for communications networks for providers of communications services and small- and mid-sized businesses. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of ADTN stock.

BOS Better Online Solutions Ltd. (BOSC) is seeing ratings go up from a C last week to a B this week. BOS Better Online Solutions Ltd. provides radio frequency identification (RFID) and mobile solutions, and supply chain solutions primarily in the United States, the Far East, Europe, and Israel. The company also gets A’s in earnings growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of BOSC 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.