U.S. equities ended sharply lower on Tuesday as investor sentiment weakened amid renewed trade tensions between the U.S. and Europe. The CNN Business Fear & Greed Index slipped to 48.3, moving into the "Neutral" zone from 55.3 previously, as risk-off positioning picked up across markets.Stocks sold off after President Donald Trump threatened additional tariffs of up to 10% on several European countries starting Feb 1, with duties potentially rising to 25% by June if negotiations over Greenland control break ...