In an interview with the Daily Telegraph, Business Secretary Peter Mandelson said banks should "reflect on" their decision to continue paying large bonuses regardless.
The most threatening to banks is New York City, where city council speaker Peter Vallone plans to unveil a proposal next month that would restrict ATM fees in the nation's financial capital.
But some people, such as Peter Thiel, a big early investor in Facebook and LinkedIn, have accused the banks involved in the LinkedIn transaction of drastically underpricing the shares.