This week, the overall grades of four Capital Markets stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Legg Mason’s (NYSE:LM) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. Legg Mason provides investment management and related services to institutional and individual clients, company-sponsored mutual funds and other pooled investment vehicles. For more information, get Portfolio Grader’s complete analysis of LM stock.

Slipping from C to a D rating, Cohen & Steers (NYSE:CNS) takes a hit this week. Cohen & Steers manages income-oriented equity portfolios, with a focus on real estate securities, large cap value stocks, utilities and listed infrastructure, and preferred securities. The stock also rates an F in Earnings Surprise. For a full analysis of CNS stock, visit Portfolio Grader.

Calamos Asset Management’s (NASDAQ:CLMS) rating falls this week to an F (“strong sell”), down from last week’s D (“sell”). Calamos Asset Management provides investment advisory services to individuals and institutional investors through open-end funds, closed-end funds, separate accounts, offshore funds, and partnerships. To get an in-depth look at CLMS, get Portfolio Grader’s complete analysis of CLMS stock.

This is a rough week for Och-Ziff Capital Management Group (NYSE:OZM). The company’s rating falls to D from the previous week’s C. Och-Ziff Capital Management Group provides a variety of alternative asset management services for fund investors through locations in the United States, Europe, and Asia. The stock also gets an F in Cash Flow. For more information, get Portfolio Grader’s complete analysis of OZM 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.