Wall Street Journal | Oil Prices Fall on Oversupply Worries Wall Street Journal Oil prices fell on Friday on concerns about oversupply as investors kept an eye on Greek bailout talks and the looming deadline for Iran's nuclear deal. After staging a 40% rally in the spring on expectations of strong demand and production cuts, oil ... Oil markets soft as markets eye Greece, Iran uncertainty Oil set for third straight loss as Iran deal deadline nears Oil slips as market awaits Iran, Greece talks |