Trump has championed his tariffs despite a historic selloff across U.S. markets, claiming his levies would bring in “billions ...

Why did Black Monday happen? The severe crash was largely unexpected and was caused by various factors coming together to deliver the biggest one-day percentage decline in US stock market history.

Black Monday happened on Oct. 19, 1987. Across the world, an estimated $1.71 trillion disappeared as stocks unexpectedly crashed. In the U.S., the Down Jones Industrial average dropped 22.6% during a ...