On Friday, April 18, U.S. markets closed with mixed results. Investors adopted a cautious stance ahead of major earnings releases and amid persistent concerns over global trade tensions and economic slowdown.NASDAQ: 16,286.45 (-0.13%)S&P 500: 5,282.70 (+0.13%)Dow Jones Industrial Average: 39,142.23 (-0.38%)USD/KRW Exchange Rate: 1,419.50 KRW (+0.18%)🌐 Key Issues & Market Drivers1. Trade Tension..