Credibility Issue With UK GDP Number: Expert

4:30 AM ET Wed, 25 July 2012

"This is a very early estimate only based on about forty percent of the actual final GDP data we will be getting, this has been revised dramatically in the past, so I don't think it really alters the picture that much especially when you look at what is happening in the other data which is much stronger," James Knightley, economist at ING Wholesale Banking, told CNBC.