NEW YORK, March 15 (Reuters) - U.S. stock index futures tumbled after resuming trading on Sunday after the U.S. Federal Reserve slashed rates back to near zero to help the global economy and investors digested the latest fallout from the escalating coronavirus pandemic.
S&P 500 e-minis were down 115.75 points, or 4.29%, with 33,056 contracts changing hands. Nasdaq 100 e-minis were down 326 points, or 4.12%, in volume of 4,176 contracts. Dow e-minis were down 842 points, or 3.66%, with 987 contracts changing hands. (Reporting by Lewis Krauskopf; editing by Diane Craft)