Stocks slide after Trump tests positive for coronavirus

The big picture: Asian stocks were also fell — including in Japan, which closed down 0.8% after the announcement, despite spending much of the day trading up, per the New York Times.

• European stocks also opened over 1% lower in early trading.

What they're saying: "Markets hate uncertainty and this ticks all those boxes," said Asia Pacific with Oanda Corp. senior market analyst Jeffrey Halley, told Bloomberg.

• "Not because of the President alone, but because this potentially means it has spread to the upper-level echelons of the government in the U.S."