West Texas Intermediate crude slid amid speculation that its advance to the highest price in almost four months was excessive. Futures fell as much as 0.8 percent in New York as a technical indicator approached a level signaling further gains can’t be sustained. Prices increased six times in the past seven days. Stockpiles at Cushing, Oklahoma , dropped by 2.67 million barrels last week, Energy Information Administration data show, as a pipeline helped to move oil away from the largest U.S. storage hub. Total crude supplies rose by 3.27 million, more than the median estimate in a Bloomberg News survey. “The market has possibly overshot a bit,” said Victor Shum , a vice president at IHS Energy Insight, a consultant in Singapore . “The Keystone pipeline started service in late January, so the market was looking for an impact on Cushing inventories and it wasn’t disappointed.” WTI for March […]