Milwaukee, WI – Market Probe, a global research firm, announced the names of the four banks that posted the highest levels of Customer Advocacy in their respective regions in 2011, based on the firm’s survey of the 20 largest U.S. banking institutions. “The regional winners were PNC in the Eastern region, SunTrust in the Southern region, Harris in the Central region, and Bank of the West in the Western region,” reported Dr. TR Rao, President and CEO, Market Probe. “These four banks posted the highest....