The grades of four financial services 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.

Steel Partners Holdings (SPLP) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Steel Partners Holdings is a global diversified holding company engaged in multiple businesses. In Portfolio Grader’s specific subcategory of Cash Flow, SPLP also gets an A. For more information, get Portfolio Grader’s complete analysis of SPLP stock.

McGraw Hill Financial, Inc. (MHFI) shows solid improvement this week. The company’s rating rises from a C to a B. McGraw Hill Financial provides credit ratings, benchmarks, and analytics to capital and commodity markets worldwide. For more information, get Portfolio Grader’s complete analysis of MHFI stock.

Voya Financial, Inc. (VOYA) improves from a C to a B rating this week. For more information, get Portfolio Grader’s complete analysis of VOYA stock.

This week, Berkshire Hathaway Inc. Class B (BRK.B) is showing good progress as the company’s rating jumps from a B (“buy”) last week to an A (“strong buy”). Berkshire Hathaway is a publicly owned investment manager that primarily engages in the insurance and reinsurance of property and casualty risks business. For more information, get Portfolio Grader’s complete analysis of BRK.B 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.