This week, 3 Air Freight & Logistics stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

United Parcel Service, Inc. Class B (UPS) gets a higher grade this week, advancing from a C last week to a B. United Parcel Service, Inc. Class B provides package transportation, logistics and financial services. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of UPS stock.

C.H. Robinson Worldwide, Inc. (CHRW) boosts its rating from a C to a B this week. C.H. Robinson Worldwide, Inc. is a third-party company that provides freight transportation and logistics solutions. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of CHRW stock.

Air T, Inc. (AIRT) shows solid improvement this week. The company’s rating rises from a B to a A. Air T, Inc. provides overnight air cargo, ground equipment sales, and ground support services. The company also gets A’s in sales growth, earnings growth, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of AIRT 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.