4 Oil Gas & Consumable Fuels 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”).

Diamondback Energy, Inc. (FANG) earns a B this week, jumping up from last week’s grade of C. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of FANG stock.

This week, ONEOK, Inc. (OKE) pushes up from a C to a B rating. ONEOK, Inc. is involved in the natural gas and natural gas liquids business across the United States. The company also gets A’s in operating margin growth, earnings revisions, and return on equity. For more information, get Portfolio Grader’s complete analysis of OKE stock.

RSP Permian, Inc. (RSPP) is seeing ratings go up from a C last week to a B this week. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of RSPP stock.

Boardwalk Pipeline Partners, LP (BWP) shows solid improvement this week. The company’s rating rises from a C to a B. Boardwalk Pipeline Partners, LP engages in the ownership and operation of integrated natural gas pipelines and storage systems in the United States. The company also gets A’s in earnings growth, earnings revisions, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of BWP 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.