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

Duff & Phelps‘s (NYSE:DUF) grade is moving up to a B (“buy”) this week from last week’s C (“hold”). Duff & Phelps provides independent financial advisory and investment banking services. In Portfolio Grader’s specific subcategories of Earnings Growth and Sales Growth, DUF also gets A’s. For more information, get Portfolio Grader’s complete analysis of DUF stock.

This week, Raymond James Financia‘s (NYSE:RJF) ratings are up from a C last week to a B. Raymond James Financial is a holding company engaged in financial services such as the underwriting, distribution, trading and brokerage of equity and the sale of mutual funds. Shares of the stock are up 4.8% from a month ago, which is better than the S&P 500’s 1.1% increase for the same period. For more information, get Portfolio Grader’s complete analysis of RJF stock.

This week, Golub Capital (NASDAQ:GBDC) pushes up from a C to a B rating. Golub Capital BDC is an externally managed, closed-end, non-diversified management investment company. The price of GBDC has increased 1.8% from the previous month. For more information, get Portfolio Grader’s complete analysis of GBDC stock.

This is a strong week for Gladstone Investment (NASDAQ:GAIN). The company’s rating climbs to B from the previous week’s C. Gladstone Investment makes debt and equity investments in small- and medium-sized private businesses in the United States. Since last month, GAIN shares are up 5.4%. For more information, get Portfolio Grader’s complete analysis of GAIN stock.

Walter Investment Management‘s (AMEX:WAC) ratings are looking better this week, moving up to a B from last week’s C. Walter Investment Management is a mortgage servicer and mortgage portfolio owner specializing in credit-challenged, non-conforming residential loans primarily in the southeastern United States. Shares of the company are up 23.7% from a month prior. For more information, get Portfolio Grader’s complete analysis of WAC stock.

Gladstone Capital (NASDAQ:GLAD) shows solid improvement this week. The company’s rating rises from a C to a B. Gladstone Capital is a business development company that invests in debt securities in small and medium sized companies. GLAD shares are up 5.4% from last month. For more information, get Portfolio Grader’s complete analysis of GLAD 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.