California probing oil cos for alleged manipulation of gas prices-WSJ
June 30, 2016 at 12:20 PM EDT
June 30 (Reuters) - California's attorney general has subpoenaed Exxon Mobil Corp, Tesoro Corp and Chevron Corp as part of an investigation into whether the companies artificially raised gasoline prices in the state, the Wall Street Journal reported, citing people familiar with the matter.