US Futures Waver as Iran Says Ceasefire Violated: Markets Wrap Bloomberg.comTraders place large $950 million bet on oil price falling hours ahead of ceasefire ReutersDow Set to Open Down Amid Fragile Iran Cease-Fire Barron'sThe third Gulf war will scar energy markets for a long time yet The EconomistOil is plunging, but don't expect $3 gas anytime soon. Here's why CNN