This week, the ratings of 13 Commercial Banking stocks on Portfolio Grader are down. Each of these rates a “D” (“sell”) or “F” overall (“strong sell”).

This week, Tompkins Financial (AMEX:TMP) falls to a D (“sell”), worse than last week’s grade of C (“hold”). Tompkins Financial is a holding company that provides products and services that include commercial and consumer banking, leasing, trust and investment management, financial planning, and wealth management. For a full analysis of TMP stock, visit Portfolio Grader.

The rating of Banco Bilbao Vizcaya Argentaria (NYSE:BBVA) slips from C to a D. Banco Bilbao Vizcaya Argentaria is an international financial group engaged in the traditional banking businesses of retail banking, asset management, private banking, and wholesale banking. The stock gets F’s in Earnings Growth, Earnings Revisions, and Earnings Surprise. The trailing PE Ratio for the stock is 27.00. To get an in-depth look at BBVA, get Portfolio Grader’s complete analysis of BBVA stock.

TriCo Bancshares (NASDAQ:TCBK) experiences a ratings drop this week, going from last week’s C to a D. TriCo Bancshares is a bank holding company for Tri Counties Bank, which conducts a commercial banking business that includes accepting demand, savings and time deposits and making commercial, real estate and consumer loans. The stock also gets an F in Earnings Surprise. For more information, get Portfolio Grader’s complete analysis of TCBK stock.

This week, Chemical Financial (NASDAQ:CHFC) drops from C to a D rating. Chemical Financial offers a range of commercial banking services including deposits, business and personal checking accounts, and savings and individual retirement accounts. For a full analysis of CHFC stock, visit Portfolio Grader.

Slipping from C to a D rating, Bank of Ireland (NYSE:IRE) takes a hit this week. Bank of Ireland provides a range of banking and other financial services. The stock gets F’s in Equity and Sales Growth. For more information, get Portfolio Grader’s complete analysis of IRE stock.

The rating of First Horizon National (NYSE:FHN) declines this week from C to a D. First Horizon National offers a variety of commercial banking services and also conducts mortgage banking, capital markets, and transaction processing. The stock gets F’s in Margin Growth and Sales Growth. For a full analysis of FHN stock, visit Portfolio Grader.

This is a rough week for Royal Bank of Scotland Group (NYSE:RBS). The company’s rating falls to D from the previous week’s C. The Royal Bank of Scotland Group is a holding company that provides customers with banking, insurance and other financial services. The stock gets F’s in Earnings Growth, Earnings Revisions, and Equity. Cash Flow and Sales Growth also get F’s. To get an in-depth look at RBS, get Portfolio Grader’s complete analysis of RBS stock.

Boston Private Financial Holdings (NASDAQ:BPFH) earns a D this week, moving down from last week’s grade of C. Boston Private Financial Holdings provides wealth management services to consumer and corporate clients. For a full analysis of BPFH stock, visit Portfolio Grader.

Westamerica’s (NASDAQ:WABC) rating falls this week to an F (“strong sell”), down from last week’s D (“sell”). Westamerica is a bank holding company that provides a range of banking services to individual and corporate customers in Northern and Central California. The stock also rates an F in Sales Growth. For more information, get Portfolio Grader’s complete analysis of WABC stock.

Cathay General Bancorp (NASDAQ:CATY) is having a tough week. The company’s rating falls from C to a D. Cathay General Bancorp offers a variety of financial services, including loans. To get an in-depth look at CATY, get Portfolio Grader’s complete analysis of CATY stock.

The rating of UMB Financial (NASDAQ:UMBF) slips from C to a D. UMB Financial is a multi-bank holding company that provides banking and other financial services. The stock also gets an F in Earnings Surprise. For a full analysis of UMBF stock, visit Portfolio Grader.

The rating of Valley National Bancorp (NYSE:VLY) declines this week from a D to an F. Valley National is the holding company for Valley National Bank and provides a full range of commercial, retail and wealth management financial services products. For more information, get Portfolio Grader’s complete analysis of VLY stock.

United Bankshares (NASDAQ:UBSI) experiences a ratings drop this week, going from last week’s D to an F. United Bankshares provides commercial and retail banking services and products. As of Feb. 6, 2013, 11.6% of outstanding United Bankshares shares were held short. To get an in-depth look at UBSI, get Portfolio Grader’s complete analysis of UBSI 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.