David Puth, head of global currencies and commodities at JP Morgan, will leave the US investment bank at the end of the year to pursue other interests. Senior executives working under him say they are surprised by his departure. However, senior management are thought to have been unhappy with high trading volatility in the bank's energy and commodities business.
Puth joined Chemical Bank in 1988, which later merged with Chase Manhattan. He took on his current role shortly after the bank's