- MarketWatch photo illustration/Getty Images More shine could come off U.S. markets as President Donald Trump threatens the E.U. over Greenland, strategists say. U.S. stock futures ES00 YM00 NQ00 indicated a selloff could await investors when they return from a holiday on Tuesday. That’s as the Stoxx Europe 600 index XX:SXXP was down 1.2%, led by export-sensitive stocks. Meanwhile, investors piled into gold GC00 and silver SI00. Most Read from MarketWatch Shares of German automakers Mercedes-Benz XE: ...