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

Steel Partners Holdings (SPLP) is making progress this week as its rating of C (“hold”) from last week increases to a B (“buy”) rating 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.’s (MHFI) ratings are looking better this week, moving up to a B from last week’s C. 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) boosts its rating from a C to a B this week. For more information, get Portfolio Grader’s complete analysis of VOYA stock.

This week, Berkshire Hathaway Inc. Class B (BRK.B) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. 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.