U.S. stock futures sink as China announces retaliatory tariffs as U.S. import taxes take effect, sending global stocks lower; Delta Air Lines stock rises as the company tops first

As Donald Trump’s tariffs on countries across the world continue to send shockwaves in the global economy, many experts fear the worst is yet to come. Overnight, the US president sparked a trade war overnight with partners in all continents with many retaliating in turn.