Steve Clutton is to step down as finance director of spread betting company IG Group after four years in the job.He will stay at the group to help bring about an orderly transition said IG, which adds that it has begun looking for a replacement. Senior director Matthew Tooth will step in while the company looks for a new finance boss.'I have enjoyed playing a part in IG's continuing success and in building its financial strength and am confident that the Group remains well placed for further growth,' said Clutton.Clutton joined IG in 2006 from Barclays Bank, where he was finance director of UK retail banking.