Concerns mount over energy trading businesses

Rumours that large dealers are leaving the energy business have been spurred by personnel changes at energy trading firms. However, the firms say they remain committed to the market.

David Puth, JP Morgan Chase’s global head of foreign exchange, whose remit includes managing the firm’s energy business, last month denied rumours the bank plans to leave the energy derivatives business in Europe, or elsewhere, despite losing a raft of key energy traders. Meanwhile, Missouri-based energy trader