3 Diversified Telecommunication Services 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”).

CenturyLink, Inc. (CTL) earns a B this week, jumping up from last week’s grade of C. CenturyLink, Inc. is an integrated communications company engaged mainly in providing communications services, Internet and broadband services. The company also gets A’s in earnings growth, earnings revisions, earnings surprise, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of CTL stock.

This week, Consolidated Communications Holdings, Inc.’s (CNSL) ratings are up from a B last week to a A. Consolidated Communications Holdings, Inc. operates as a rural local exchange company that provides communications services to residential and business customers in Illinois, Texas, and Pennsylvania. The company also gets A’s in sales growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of CNSL stock.

This week, Otelco Inc. Class A (OTEL) pushes up from a C to a B rating. The company also gets A’s in operating margin growth and free cash flow. For more information, get Portfolio Grader’s complete analysis of OTEL 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.