External Candidate Would Be Best for Barclays: Shareholder

Tuesday, 3 Jul 2012 | 5:40 AM ET

"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.