This week, seven capital markets stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

THL Credit (TCRD) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. THL Credit is a management investment company that invests mainly in private subordinated debt, also known as mezzanine debt. In Portfolio Grader’s specific subcategory of Sales Growth, TCRD also gets an A. For more information, get Portfolio Grader’s complete analysis of TCRD stock.

Ares Capital Corporation’s (ARCC) ratings are looking better this week, moving up to an A from last week’s B. Ares Capital is a specialty finance company that invests mainly in first- and second-lien senior loans and mezzanine debt, which in some cases includes equity components like warrants. For more information, get Portfolio Grader’s complete analysis of ARCC stock.

This week, Cowen Group, Inc. Class A (COWN) is showing significant improvement as the company’s rating hops from a C (“hold”) to a B (“buy”). Cowen Group is a publicly owned asset management holding company. For more information, get Portfolio Grader’s complete analysis of COWN stock.

This week, BGC Partners, Inc. Class A’s (BGCP) ratings are up from a B last week to an A. BGC Partners is a global inter-dealer broker that specializes in the brokering of OTC financial instruments and related derivative products. For more information, get Portfolio Grader’s complete analysis of BGCP stock.

RCS Capital Corp. Class A (RCAP) improves from a B to an A rating this week. For more information, get Portfolio Grader’s complete analysis of RCAP stock.

TD Ameritrade Holding Corporation (AMTD) shows solid improvement this week. The company’s rating rises from a B to an A. TD Ameritrade provides securities brokerage services and technology-based financial services to retail investors, traders, financial planners, institutions and business partners. For more information, get Portfolio Grader’s complete analysis of AMTD stock.

This is a strong week for LPL Financial Holdings Inc. (LPLA). The company’s rating climbs to A from the previous week’s B. LPL Financial Holdings offers technology, brokerage and investment advisory services through business relationships with all types of financial advisors. 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.