LONDON (Reuters) - Oil prices fell 4 percent on Tuesday, dropping for a third consecutive session as reports of swelling inventories and forecasts of record U.S. and Russian output combined with a sharp sell-off in global stock markets. Pump jacks operate in an oil field in Midland, Texas U.S. August 22, 2018. Picture taken August 22, 2018. REUTERS/Nick Oxford U.S.
