The grades of three Capital Markets stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

Northern Trust (NASDAQ:NTRS) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Northern Trust is a financial holding company that provides investment management, asset and fund administration, fiduciary, and banking solutions for corporations, institutions, and affluent individuals. Shares of NTRS have increased 5.5% over the past month, better than the 1.8% increase the Nasdaq has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of NTRS stock.

This week, THL Credit (NASDAQ:TCRD) is showing good progress as the company’s rating jumps from a B (“buy”) last week to an A (“strong buy”). THL Credit is a management investment company that invests mainly in private subordinated debt, also known as mezzanine debt.

For more information, get Portfolio Grader’s complete analysis of TCRD stock.

Ares Capital (NASDAQ:ARCC) shows solid improvement this week. The company’s rating rises from a B to an A. 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.

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.