This week, three distributors stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Edgen Group Inc. Class A (EDG) is bumping up its rating from a C (“hold”) to a B (“buy”) this week. In Portfolio Grader’s specific subcategory of Equity, EDG also gets an A. For more information, get Portfolio Grader’s complete analysis of EDG stock.

This week, United Rentals, Inc.’s (URI) ratings are up from a C last week to a B. United Rentals is an equipment rental company that serves construction and industrial companies, manufacturers, utilities, municipalities, homeowners, and government entities. Shares of URI have increased 18.8% over the past month, better than the 1.7% decrease the S&P 500 has seen over the same period of time. Shares of the stock have been trading at an exceptionally rapid pace, up twofold from the week prior. For more information, get Portfolio Grader’s complete analysis of URI stock.

The rating of Aircastle Limited (AYR) moves up this week, rising from a C to a B. Aircastle is engaged in acquiring, leasing, and selling commercial jet aircrafts to passenger and cargo airlines throughout the world. With a price of $19.96, it is above the 50-day moving average of $18.79. For more information, get Portfolio Grader’s complete analysis of AYR 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.