Wall Street stock futures started the week on a negative note on Sunday, indicating a rough trading week ahead. Concerns among investors were fueled by fears that imposing tariffs on U.S. trading partners could lead to a global trade war and potentially drive the U.S. economy into a recession. The U.S. S&P 500 E-minis stock futures dropped by 218 points, or 4.27%, at 4,892.25. Additionally, Dow E-minis were down by 1,524 points, or 3.96%, and Nasdaq 100 E-minis were down by 804 points, or 4.58%.