The ratings of five capital markets stocks are down this week, according to the Portfolio Grader database. 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. Shares of the stock are changing hands at twice the rate they were a week ago. To get an in-depth look at OAK, get Portfolio Grader’s complete analysis of OAK stock.

Golub Capital BDC, Inc. (GBDC) experiences a ratings drop this week, going from last week’s C to a D. 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) gets weaker ratings this week as last week’s C drops to a D. The stock also gets an F in Margin Growth. Shares of the stock have been trading at an exceptionally rapid pace, up twofold from the week prior. For more information, get Portfolio Grader’s complete analysis of SAMG stock.

Apollo Global Management, LLC Class A’s (APO) rating falls this week to an F (“strong sell”), down from last week’s D (“sell”). Apollo Global Management is engaged in investing and operating in private equity, capital markets and real estate businesses. The stock gets F’s in Earnings Growth, Earnings Momentum and Earnings Revisions. Earnings Surprise, Cash Flow and Sales Growth also get F’s. The stock has a trailing PE Ratio of 55.60. To get an in-depth look at APO, get Portfolio Grader’s complete analysis of APO stock.

LPL Financial Holdings Inc. (LPLA) experiences a ratings drop this week, going from last week’s D to an F. LPL Financial Holdings offers technology, brokerage and investment advisory services through business relationships with all types of financial advisors. As of June 22, 2015, 14.6% of outstanding LPL Financial Holdings Inc. shares were held short. Shares of the stock have been trading at an exceptionally rapid pace, up threefold from the week prior. The stock currently has a trailing PE Ratio of 26.90. 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.