The grades of five Distributors stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

This week, SeaCube Container Leasing (NYSE:BOX) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. SeaCube Container Leasing is a container leasing company based on total assets. In Portfolio Grader’s specific subcategory of Equity, BOX also gets an A. Shares of BOX have increased 23.8% over the past month, better than the 5.8% increase the S&P 500 has seen over the same period of time. The stock has a trailing PE Ratio of 9.90. For more information, get Portfolio Grader’s complete analysis of BOX stock.

Titan Machinery’s (NASDAQ:TITN) grade is moving up to a B (“buy”) this week from last week’s C (“hold”). Titan Machinery owns and operates networks of full service agricultural and construction equipment stores. For more information, get Portfolio Grader’s complete analysis of TITN stock.

DXP Enterprises (NASDAQ:DXPE) earns an A this week, jumping up from last week’s grade of B. DXP Enterprises is engaged in the business of distributing maintenance, repair and operating products, equipment and service to industrial customers. For more information, get Portfolio Grader’s complete analysis of DXPE stock.

This week, TAL International Group (NYSE:TAL) pushes up from a C to a B rating. TAL International Group leases intermodal transportation equipment and provides maritime container management services. Wall Street has pushed the stock higher by 16.4% over the past month. At present, the stock has a dividend yield of 2.5%. For more information, get Portfolio Grader’s complete analysis of TAL stock.

AerCap (NYSE:AER) is seeing ratings go up from a C last week to a B this week. AerCap operates as an integrated aviation company worldwide. The stock’s trailing PE Ratio is 8.90. For more information, get Portfolio Grader’s complete analysis of AER 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.