Citigroup Inc said that it has expanded its base metals business in London as part of an expansion of its commodities business.

Mr Peter Stoner joins as a MD and head of global metals at Citigroup Inc. Mr Craig Tuckman has also been named as a MD and is the head of global metals sales and structuring, where he will be joined by Mr Helen Lowe.

Mr Tom Parkin has been hired as a metals trader and Mr David Thurtell as a metals analyst.