A new group of Wall Street firms has agreed to pay more than $81 million in civil penalties to settle Securities and Exchange Commission charges of record-keeping failures, the regulator said Friday. The settlements with broker-dealers and investment advisers, including Oppenheimer and US Bancorp, are the latest in a multi-year initiative by the SEC to investigate how registered financial firms handle employees’ work-related communications on personal devices and apps, such as WhatsApp. “The SEC’s investiga ...