United States 4-Week Bill Auction: 3.64% vs 3.625%

The Dow Jones Industrial Average was down 840 points, or 1.73%, to 47,885 at the time of writing, giving back all of Wednesday's gains and then some. The S&P 500 fell 0.82% to around 6,810, while the Nasdaq Composite dipped 0.50% to the 22,690 region.