West Texas Intermediate dropped to the lowest intraday level in three years as Saudi Arabia cut prices for crude exports to U.S. customers amid speculation that stockpiles increased. Brent extended losses in London. Futures fell as much as 2 percent to $77.20 a barrel, the weakest since Oct. 5, 2011. Saudi Arabian Oil Co. reduced December differentials for all grades it ships to the U.S., while supplies to Asia and Europe were priced higher, according to an e-mailed statement. U.S. crude inventories climbed by 1.9 million barrels last week to a four-month high, a Bloomberg News survey shows before government data tomorrow. Oil slid in October by the most since May 2012 as leading members of the Organization of Petroleum Exporting Countries resisted calls to cut output. Global supplies are rising, with the U.S. pumping at the fastest pace in more than three decades. “It’s now a game of […]