This week, the ratings of three capital markets stocks on Portfolio Grader are down. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, Administradora de Fondos de Pensiones Provida S.A. Sponsored ADR (PVD) falls to a D (“sell”), worse than last week’s grade of C (“hold”). Provida Pension Fund Administrator operates as a private pension fund administrator in Chile. In Portfolio Grader’s specific subcategories of Earnings Momentum and Sales Growth, PVD also gets F’s. Shares of the stock have been changing hands at an unusually rapid pace, twice the rate of the week prior. For more information, get Portfolio Grader’s complete analysis of PVD stock.

This is a rough week for Arlington Asset Investment Corp. Class A (AI). The company’s rating falls to D from the previous week’s C. Arlington Asset Investment invests on a leveraged basis in residential mortgage-backed securities, including collateralized mortgage obligations. The stock also gets an F in Earnings Momentum. At $25.61, the stock is under the 50-day moving average of $25.85. For a full analysis of AI stock, visit Portfolio Grader.

Carlyle Group L.P. (CG) experiences a ratings drop this week, going from last week’s C to a D. Carlyle is a diversified multi-product global alternative asset management firm. The stock gets F’s in Earnings Growth, Earnings Surprise and Margin Growth. The stock’s trailing PE Ratio is 34.60. To get an in-depth look at CG, get Portfolio Grader’s complete analysis of CG 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.