Paul Kavanagh from the investment firm Killik and co. said that new plans to cap bankers' bonuses will "create a very uncompetitive environment for many banks."
Speaking to Daybreak he added: "Not all pay is irresponsible pay."
As part of a financial reform package, ministers will consider a provisional proposal pushed last week by MEPs and backed by the European Commission.
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Former US President George H.W. Bush is in intensive care after suffering from pneumonia, as his wife is admitted as a precaution.
The tech giant is taking steps to measure economic confidence and steps to halt the spread of fake news, but denied that it was a publisher.
Temperatures still a talking point