Sales practices a key risk to banking system, says U.S. regulator

Wells Fargo's phony account scandal has spurred a top U.S. bank regulator to count sales practices as a chief risk to the country's banking system and to embark on a wide-sweeping review of large and mid-sized institutions. The office, along with other regulators, has been looking at bank sales practices since it penalized Wells Fargo in September for $185 million for years of allegedly opening ghost credit-card and bank accounts in customers' names or convincing customers to add unnecessary acc