Jonathan Leff

NEW YORK (Reuters) - British bank Barclays is set to fight a potentially record $470 million penalty from U.S. energy regulators by arguing its traders were guilty of braggadocio, not...

WASHINGTON/NEW YORK (Reuters) - U.S. regulators threatened to fine Barclays roughly $470 million to settle allegations that the bank and four traders manipulated California electricity markets, reviving the specter of...

NEW YORK (Reuters) - Oil prices slumped $4 on Wednesday as Saudi efforts to tame prices and a massive rise in U.S. crude inventories after Storm Isaac fuelled a third...

NEW YORK (Reuters) - Oil prices slumped $4 on Wednesday as Saudi efforts to tame prices and a massive rise in U.S. crude inventories after Storm Isaac fuelled a third...

PARIS/NEW YORK (Reuters) - World oil consumers are poised to tap into emergency oil inventories as soon as early September after the International Energy Agency (IEA) dropped its resistance to...

NEW YORK (Reuters) - Hedge funds are quietly laying new bets on a potential spike in oil prices tied to the possibility of an Israeli attack on Iran, skewing the...

NEW YORK (Reuters) - Hedge funds are quietly laying new bets on a potential spike in oil prices tied to the possibility of an Israeli attack on Iran, skewing the...