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. To get an in-depth look at OAK, get Portfolio Grader’s complete analysis of OAK stock.

This week, Golub Capital BDC, Inc. (GBDC) drops from a C to a D rating. Golub Capital is an externally managed, closed-end, non-diversified management investment company. For more information, get Portfolio Grader’s complete analysis of GBDC stock.

Silvercrest Asset Management Group, Inc. Class A (SAMG) experiences a ratings drop this week, going from last week’s C to a D. The stock also gets an F in Margin Growth. For more information, 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 rates an F in Earnings Growth, Earnings Momentum and Earnings Revisions. Earnings Surprise, Cash Flow and Sales Growth also get F’s. The trailing PE Ratio for the stock is 56.00. To get an in-depth look at APO, get Portfolio Grader’s complete analysis of APO stock.

Slipping from a D to an F rating, LPL Financial Holdings Inc. (LPLA) takes a hit this week. LPL Financial Holdings offers technology, brokerage and investment advisory services through business relationships with all types of financial advisors. As of July 13, 2015, 15% of outstanding LPL Financial Holdings Inc. shares were held short. The stock has a trailing PE Ratio of 25.80. For more information, 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.