This week, the overall grades of six Commercial Banking stocks are lower, according to the Portfolio Grader database. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

Woori Finance‘s (NYSE:WF) rating falls to a D (“sell”) this week, down from C (“hold”) the week prior. Woori Finance Holdings provides various banking, and financial products and services in Korea. In Portfolio Grader’s specific subcategory of Earnings Momentum, WF also gets an F. The stock price has fallen 5.4% over the past month, worse than the 1% decrease the S&P 500 has seen over the same period of time. For a full analysis of WF stock, visit Portfolio Grader.

This week, Mitsubishi UFJ Financial Group (NYSE:MTU) drops from a C to a D rating. Mitsubishi UFJ Financial Group provides financial services such as commercial banking, trust banking, securities, credit cards and asset management. The stock gets F’s in Earnings Momentum, Earnings Surprise, and Sales Growth. For more information, get Portfolio Grader’s complete analysis of MTU stock.

Slipping from a C to a D rating, CIT Group (NYSE:CIT) takes a hit this week. CIT Group provides commercial financing and leasing products to small- and middle-market businesses in various industries. The stock gets F’s in Earnings Momentum, Earnings Revisions, and Cash Flow. Margin Growth and Sales Growth also get F’s. To get an in-depth look at CIT, get Portfolio Grader’s complete analysis of CIT stock.

First Niagara Financial Group (NASDAQ:FNFG) ratings are on the decline this week as the company earns a F (“strong sell”). Last week, it received a D (“sell”). First Niagara Financial Group is a bank holding company. Share prices fell 10.6% over the past month. For more information, get Portfolio Grader’s complete analysis of FNFG stock.

This is a rough week for Bank of Ireland (NYSE:IRE). The company’s rating falls to D from the previous week’s C. Bank of Ireland provides a range of banking and other financial services. The stock gets F’s in Equity, Cash Flow, and Sales Growth. For a full analysis of IRE stock, visit Portfolio Grader.

This week, PNC Financial Services Group‘s (NYSE:PNC) rating worsens to a D from the company’s C rating a week ago. PNC Financial Services Group provides regional banking, wholesale banking, and asset management services nationally and in the Company’s primary regional markets. To get an in-depth look at PNC, get Portfolio Grader’s complete analysis of PNC 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.