Oil extended its decline for a second day as U.S. crude stockpiles unexpectedly increased, keeping supplies at the highest level in more than eight decades. Futures slid as much as 2.1 percent in New York after falling from a seven-month peak on Wednesday amid a surging U.S. currency. Inventories increased by 1.3 million barrels last week, according to government data. Rain in Canada may slow fires that have shifted back toward oil-sands operations. The Bloomberg Dollar Spot Index rose Wednesday after the Federal Reserve published minutes of its latest monetary policy suggesting a June hike is possible. Crude has surged more than 80 percent since slumping to the lowest in 12 years earlier this year on signs the global glut will ease as U.S. output declines. OPEC’s strategy to defend market share is working, Kuwait’s acting oil minister said in an interview Wednesday, and unexpected outages have created a […]