Oil prices fall amid mixed signals on US-Iran peace deal Al Jazeera Middle East crisis live: oil prices hit two-week low amid optimism that US and Iran are close to peace deal The Guardian Oil prices fall 5% after Trump says Iran talks proceeding in a 'constructive manner' CNBC Oil, Dollar Slide on Optimism Over US-Iran Deal: Markets Wrap Bloomberg.com Asian shares mostly gain and oil prices fall after Trump says peace talks on Iran war are proceeding Toronto Star