External Candidate Would Be Best for Barclays: Shareholder

5:40 AM ET Tue, 3 July 2012

"I think while Bob Diamond has led the bank through some success, part of the next challenge for Barclays is cutting costs in the BarCap area and it maybe that a successor finds this easier to do coming from a different area,"Colin McClean, MD and CIO, at SVM Asset Management, told CNBC.