Key Takeaways It's Taco Thursday on Wall Street. U.S. stocks, which rallied yesterday, were extending their gains Thursday after President Donald Trump said he would not use force to take over Greenland nor impose new tariffs on a group of European nations after the U.S. and NATO reached a "framework of a future deal†on Greenland's sovereignty. The détente revived talk on Wall Street of the TACO, or "Trump Always Chickens Out,†concept, which broadly refers to the president's habit of threatening steep tarif ...