Prime-time warning reverses recent risk rally as oil surges above $100
A 19-minute prime-time speech from U.S. President Donald Trump, in which he vowed to hit Iran "extremely hard" over the next two to three weeks, erased investor optimism that a quick end to the conflict might be near. With the Strait of Hormuz remaining closed, markets reversed earlier gains: equities sold off, the U.S. dollar strengthened, oil jum…