Wall Street Faces Toughest Test in Years - WSJ
1. U.S. tariffs triggered sharp declines in global stocks and futures. 2. Major indexes fell over 3%, signaling investor concerns. 3. Significant tariffs: China 34%, Japan 24%, EU 20%. 4. U.S. Treasury yields dropped, indicating economic uncertainty. 5. Major companies like Apple, Amazon, and Nike saw heavy losses.