This week, 5 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”).

This week, Northern Trust Corporation’s (NTRS) ratings are up from a C last week to a B. Northern Trust Corporation is a financial holding company that provides investment management, asset and fund administration, fiduciary, and banking solutions for corporations, institutions, and affluent individuals. For more information, get Portfolio Grader’s complete analysis of NTRS stock.

Oaktree Capital Group, LLC Class A’s (OAK) ratings are looking better this week, moving up to a B from last week’s C. Oaktree Capital Group, LLC Class A is a global investment management company focused on alternative markets. For more information, get Portfolio Grader’s complete analysis of OAK stock.

Newtek Business Services Corp. (NEWT) is seeing ratings go up from a B last week to a A this week. Newtek Business Services Corp. invests in and provides financial, management, and technological services for small businesses throughout the United States. The company also gets A’s in operating margin growth, earnings growth, earnings revisions, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of NEWT stock.

Ares Management, L.P. (ARES) gets a higher grade this week, advancing from a C last week to a B. The company also gets A’s in sales growth, operating margin growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of ARES stock.

ZAIS Group Holdings, Inc. Class A (ZAIS) earns a B this week, jumping up from last week’s grade of C. For more information, get Portfolio Grader’s complete analysis of ZAIS 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.