4 Communications Equipment 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”).

InterDigital, Inc. (IDCC) shows solid improvement this week. The company’s rating rises from a B to a A. InterDigital, Inc. develops technology for advanced digital wireless telecommunications applications. The company also gets A’s in operating margin growth, earnings revisions, earnings surprise, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of IDCC stock.

Ituran Location & Control Ltd.’s (ITRN) ratings are looking better this week, moving up to a B from last week’s C. Ituran Location & Control Ltd. sells global positioning systems for locating motor vehicles and retrieving stolen cars. The company also gets A’s in earnings revisions and return on equity. For more information, get Portfolio Grader’s complete analysis of ITRN stock.

This week, Clearfield, Inc. (CLFD) pushes up from a C to a B rating. Clearfield, Inc. offers telecommunications equipment and products in the United States. The company also gets A’s in operating margin growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of CLFD stock.

Norsat International Inc. (NSAT) earns a A this week, jumping up from last week’s grade of B. The company also gets A’s in operating margin growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of NSAT 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.