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

Oaktree Capital Group, LLC Class A (OAK) is on the decline this week, earning a D (“sell”) after receiving a C (“hold”) last week. Oaktree Capital is a global investment management company focused on alternative markets. In Portfolio Grader’s specific subcategories of Earnings Growth and Sales Growth, OAK also gets F’s. Trade volume is up 927.3% from the previous week. For more information, get Portfolio Grader’s complete analysis of OAK stock.

This week, Golub Capital BDC, Inc.’s (GBDC) rating worsens to a D from the company’s C rating a week ago. Golub Capital is an externally managed, closed-end, non-diversified management investment company. Shares of the stock have been changing hands at an unusually rapid pace, up 701.3% from the week prior. To get an in-depth look at GBDC, get Portfolio Grader’s complete analysis of GBDC stock.

This week, Medallion Financial (TAXI) drops from a C to a D rating. Medallion Financial is a specialty finance company that originates and services loans financing the purchase of taxicab medallions and related assets. The stock also rates an F in Earnings Surprise. Shares of the stock are being traded at a very rapid pace, up 715.7% from the week prior. For more information, get Portfolio Grader’s complete analysis of TAXI stock.

Silvercrest Asset Management Group, Inc. Class A (SAMG) earns a D this week, falling from last week’s grade of C. The stock also gets an F in Margin Growth. Trade volume is up 543.8% from the previous week. To get an in-depth look at SAMG, get Portfolio Grader’s complete analysis of SAMG stock.

Apollo Global Management, LLC Class A (APO) earns an F (“strong sell”) this week, moving down from last week’s grade of D (“sell”). Apollo Global Management is engaged in investing and operating in private equity, capital markets and real estate businesses. The stock receives F’s in Earnings Growth, Earnings Momentum and Earnings Revisions. Earnings Surprise, Cash Flow and Sales Growth also get F’s. Shares of the stock are being traded at a very rapid pace, up 523.3% from the week prior. The stock currently has a trailing PE Ratio of 37.60. For more information, get Portfolio Grader’s complete analysis of APO stock.

LPL Financial Holdings Inc. (LPLA) earns an F this week, moving down from last week’s grade of D. LPL Financial Holdings offers technology, brokerage and investment advisory services through business relationships with all types of financial advisors. Shares of the stock are changing hands at twice the rate they were a week ago. The stock has a trailing PE Ratio of 25.60. To get an in-depth look at LPLA, get Portfolio Grader’s complete analysis of LPLA 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.