The grades of five capital markets stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Harris & Harris Group, Inc. (TINY) ups its rating to a B (“buy”) this week after earning a C (“hold”) in the week before. Harris & Harris Group is a venture capital investment company. Shares of the stock have been changing hands at an unusually rapid pace, up 873% from the week prior. For more information, get Portfolio Grader’s complete analysis of TINY stock.

This week, THL Credit (TCRD) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. THL Credit is a management investment company that invests mainly in private subordinated debt, also known as mezzanine debt. Shares of the stock have been trading at an exceptionally rapid pace, up 1233.2% from the week prior. For more information, get Portfolio Grader’s complete analysis of TCRD stock.

Ares Capital Corporation (ARCC) boosts its rating from a B to an A this week. 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. Shares of the stock have been changing hands at an unusually rapid pace, up 1215.6% from the week prior. For more information, get Portfolio Grader’s complete analysis of ARCC stock.

INTL FCStone (INTL) shows solid improvement this week. The company’s rating rises from a B to an A. INTL FCStone is a financial services holding company. Shares of the stock have been trading at an exceptionally rapid pace, up 949.6% from the week prior. For more information, get Portfolio Grader’s complete analysis of INTL stock.

Eaton Vance (EV) gets a higher grade this week, advancing from a C last week to a B. Eaton Vance manages investment funds and provides investment management and counseling services to high-net-worth individuals and institutions. Shares of the stock have been changing hands at an unusually rapid pace, three times the rate of the week prior. For more information, get Portfolio Grader’s complete analysis of EV 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.