Gold May Have Been Manipulated Like Libor - Ned Naylor-Leyland

"It is effectively an intervention in two ways; one would be the fact that for central banks gold and silver going up doesn't make their currency look any good and secondly a number of the big commercial banks have very large short positions which they like to manage and make easy money from," Ned Naylor-Leyland, investment director at Cheviot, told CNBC.