Four financial services stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

Steel Partners Holdings (SPLP) is bumping up its rating from a C (“hold”) 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.

This is a strong week for McGraw Hill Financial, Inc. (MHFI). The company’s rating climbs to B from the previous 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.

Berkshire Hathaway Inc. Class B (BRK.B) is progressing from last week’s rating of B (“buy”) as the company improves to an A (“strong buy”) this week. 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.