The world’s biggest oil companies are painting a grim picture of the future and speculators are listening. Hedge funds reduced bullish bets to the lowest level in five years as oil capped the worst month since the financial crisis. The net-long position in West Texas Intermediate contracted 7 percent in the seven days ended July 28, U.S. Commodity Futures Trading Commission data show. BP Plc said oil prices will be lower for longer and Royal Dutch Shell Plc said it’s preparing for a prolonged downturn. Exxon Mobil Corp. and Chevron Corp. reported their worst earnings in years. Supply will outpace demand by 1 million barrels a day through 2016, according to Bank of America Corp. Prices need to stay below $40 a barrel for months for U.S. output to fall enough to erode the global surplus, IHS Inc. said. “The speculators are looking at the bad earnings and the […]