This week, five capital markets stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

Harris & Harris Group, Inc.’s (TINY) grade is moving up to a B (“buy”) this week from last week’s C (“hold”). Harris & Harris Group is a venture capital investment company. 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 TINY stock.

This week, THL Credit (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.

This week, Ares Capital Corporation (ARCC) pushes up from a B to an A rating. 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, twice the rate of the week prior. For more information, get Portfolio Grader’s complete analysis of ARCC stock.

INTL FCStone (INTL) boosts its rating from a B to an A this week. INTL FCStone is a financial services holding company. For more information, get Portfolio Grader’s complete analysis of INTL stock.

This is a strong week for Eaton Vance (EV). The company’s rating climbs to B from the previous week’s C. Eaton Vance manages investment funds and provides investment management and counseling services to high-net-worth individuals and institutions. 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.