Ten Oil and Gas 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”).

Kinder Morgan Energy Partners (NYSE:KMP) is making headway this week, with the company’s rating improving to an A (“strong buy”) from a B (“buy”) last week. Kinder Morgan Energy Partners operates pipelines and terminals. In Portfolio Grader’s specific subcategories of Earnings Growth and Earnings Momentum, KMP also gets A’s. The stock has a dividend yield of 4.9%. The price of KMP has increased 1.8% over the last month. This is worse than the 4.6% increase the S&P 500 experienced for the same period. For more information, get Portfolio Grader’s complete analysis of KMP stock.

Holly Energy‘s (NYSE:HEP) gets a higher grade this week, advancing from a B last week to an A. Holly Energy Partners operates a system of refined product pipelines and distribution terminals primarily in West Texas, New Mexico, Utah, and Arizona. The stock price has risen 8.9% over the past month. The stock’s dividend yield is 3.6%. For more information, get Portfolio Grader’s complete analysis of HEP stock.

Boardwalk Pipeline (NYSE:BWP) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Boardwalk Pipeline Partners engages in the ownership and operation of integrated natural gas pipelines and storage systems in the United States. At present, the stock has a dividend yield of 2.1%. Shares of BWP have increased 3.2% since last month. For more information, get Portfolio Grader’s complete analysis of BWP stock.

Energy Transfer Partners (NYSE:ETP) shows solid improvement this week. The company’s rating rises from a C to a B. Energy Transfer Partners is involved in natural gas processing, transportation and marketing operations. It also sells propane and propane-related products and services to residential, commercial, industrial and agricultural customers. The current dividend yield is 3.6%. The stock’s trailing PE Ratio is 9.1. Since last month, ETP shares have increased 1%. For more information, get Portfolio Grader’s complete analysis of ETP stock.

Energy Transfer Equity (NYSE:ETE) earns a B this week, jumping up from last week’s grade of C. Energy Transfer Equity owns equity interests in Energy Transfer Partners, a limited partnership involved in the natural gas midstream, transportation, and storage business, as well as a retail propane business. At present, the stock has a dividend yield of 2.5%. The price of ETE has gone up 5.1% from the previous month. For more information, get Portfolio Grader’s complete analysis of ETE stock.

Global Partners (NYSE:GLP) improves from a C to a B rating this week. Global Partners owns, controls or has access to a terminal network of refined petroleum products in New England, located in the United States. The stock has a dividend yield of 2.1%. Shares of the company have shot up 4.2% from a month ago. For more information, get Portfolio Grader’s complete analysis of GLP stock.

The rating of Kinder Morgan (NYSE:KMI) moves up this week, rising from a B to an A. Kinder Morgan Energy Partners is a pipeline transportation and energy storage company. Since last month, KMI shares have increased by 9.2%. For more information, get Portfolio Grader’s complete analysis of KMI stock.

Pembina Pipeline (NYSE:PBA) boosts its rating from a C to a B this week. Pembina Pipeline transports, stores, and markets petroleum products. The price of PBA has bumped up 3.5% from a month prior. For more information, get Portfolio Grader’s complete analysis of PBA stock.

Capital Product Partners (NASDAQ:CPLP) is seeing ratings go up from a C last week to a B this week. Capital Product Partners charters its vessels to be engaged in the seaborne transportation services of crude oil and refined petroleum products, edible oils, and soft chemicals. The stock has a trailing PE Ratio of 6.2. For more information, get Portfolio Grader’s complete analysis of CPLP stock.

This week, Ultrapar Participacoes‘s (NYSE:UGP) ratings are up from a B last week to an A. Ultrapar Holdings operates in the segment of liquefied petroleum gas (LPG) distribution, light fuel & lubricant distribution, and related business in Southern and Southeastern Brazil, production and marketing of chemicals, and provision of integrated logistics solution services for special bulk cargo. Company shares have risen 2.6% since last month. For more information, get Portfolio Grader’s complete analysis of UGP 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.