Wells Fargo CEO John Stumpf testifies on Capitol Hill in Washington, before the House Financial Services Committee investigating Wells Fargo's opening of unauthorized customer accounts.

Banks Spent A Staggering 2 Billion Dollars On Lobbying During 2016 US Election

Wells Fargo, Citigroup, Prudential Financial and Goldman Sachs Group all spent more than US$10 million each, the report said.