Dow futures fell early Friday after President Donald Trump and first lady Melania Trump tested positive for coronavirus.
Futures tied to the Dow Jones Industrial Average indicated an opening loss of more than 250 points, recovering a bit after earlier trading down more than 500 points. S&P 500 futures and Nasdaq 100 futures were also in negative territory.
Meanwhile, the yield on the benchmark 10-year Treasury note fell to 0.6709%. Yields move opposite prices.