Oil tumbled the most in a week as global financial markets swooned and swelling U.S. crude stockpiles reinforced fears about an economic slowdown.
Futures closed down 3.3% in New York on Wednesday, joining a slide in equities that saw 98% of the stocks in the S&P 500 Index drop. American crude inventories posted a surprise increase for the second straight week, U.S. data showed. That accelerated a flight from commodities and other higher-risk assets as sagging Treasury yields sounded alarm bells for a recession.