(Reuters) - U.S. stock index futures fell on the first trading day of the new quarter as China’s decision to raise import tariffs on U.S. products rekindled global trade war fears and technology stocks showed little signs of recovery. FILE PHOTO - Traders work on the floor of the New York Stock Exchange (NYSE) in New York, U.S., March 29, 2018. REUTERS/Brendan McDermid Nasdaq futures NQc1 pointed to a 0.6 percent decline at the open on Monday, as big names including Facebook (FB.