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

Wintrust Financial (NASDAQ:WTFC) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Wintrust Financial is a holding company, which provides traditional community banking services, wealth management services, commercial insurance premium financing, short-term accounts receivable financing and certain administrative services. In Portfolio Grader’s specific subcategories of Earnings Growth and Margin Growth, WTFC also gets A’s. For more information, get Portfolio Grader’s complete analysis of WTFC stock.

The rating of CapitalSource (NYSE:CSE) moves up this week, rising from a C to a B. CapitalSource is a commercial lender that provides financial products to middle-market businesses. Shares of CSE have increased 9.5% over the past month, better than the 2.8% increase the S&P 500 has seen over the same period of time. The stock has a trailing PE Ratio of 5. For more information, get Portfolio Grader’s complete analysis of CSE stock.

Bryn Mawr Bank (NASDAQ:BMTC) improves from a C to a B rating this week. Bryn Mawr Bank offers a full range of personal and business banking services. For more information, get Portfolio Grader’s complete analysis of BMTC stock.

State Bank Financial (NASDAQ:STBZ) gets a higher grade this week, advancing from a C last week to a B. State Bank Financial is a bank holding company. For more information, get Portfolio Grader’s complete analysis of STBZ 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.