This week, the overall grades of 4 Trading Companies & Distributors stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, Veritiv Corp’s (VRTV) rating worsens to a D from the company’s C rating a week ago. The company also gets F’s in operating margin growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of VRTV stock.

Applied Industrial Technologies, Inc. (AIT) declines this week from a C to a D. Applied Industrial Technologies, Inc. distributes industrial products, providing fluid power, mechanical, and rubber shop services. For more information, get Portfolio Grader’s complete analysis of AIT stock.

Kaman Corporation Class A (KAMN) is having a tough week. The company’s rating falls from a C to a D. Kaman Corporation Class A serves government and commercial markets through its diversified technologies and distribution segments. For more information, get Portfolio Grader’s complete analysis of KAMN stock.

Air Lease Corporation Class A (AL) experiences a ratings drop this week, going from last week’s C to a D. Air Lease Corporation Class A engages in the purchase and leasing of commercial aircraft to airlines worldwide. The company also gets F’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of AL 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.