This week, 5 Oil Gas & Consumable Fuels stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

Pioneer Natural Resources Company (PXD) gets a higher grade this week, advancing from a C last week to a B. Pioneer Natural Resources Company explores for, develops, and produces oil and gas reserves. The company also gets A’s in earnings revisions. For more information, get Portfolio Grader’s complete analysis of PXD stock.

GasLog Partners LP (GLOP) improves from a C to a B rating this week. The company also gets A’s in operating margin growth, earnings surprise, and free cash flow. For more information, get Portfolio Grader’s complete analysis of GLOP stock.

The rating of Westmoreland Resource Partners LP (WMLP) moves up this week, rising from a C to a B. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of WMLP stock.

This week, Resolute Energy Corporation (REN) pushes up from a C to a B rating. Resolute Energy Corporation explores for and produces oil and natural gas in the southern and western United States. The company also gets A’s in earnings revisions and earnings momentum. For more information, get Portfolio Grader’s complete analysis of REN stock.

Magellan Petroleum Corporation’s (MPET) ratings are looking better this week, moving up to a B from last week’s C. Magellan Petroleum Corporation sells oil and gas, as well as explores for and develops oil and gas reserves. For more information, get Portfolio Grader’s complete analysis of MPET 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.