U.S. equities fell Thursday, the first day of September, as traders continued to fret over the potential for higher Federal Reserve rates.
The Dow Jones Industrials let go of 269.54 points to close at 31,240.59.
The S&P 500 dumped 42.63 points, or 1.1%, to 3,912.37.
The NASDAQ Composite slouched 185.01 points, or 1.6%, to 11,631.19.
The major averages are each on track to finish the week down by about 3%.
The Dow closed August down about 4.1%, while the S&P slipped 4.2%, and NASDAQ recorded a loss of 4.6%.
Nvidia shares also contributed to the losses, falling more than 5% after the chipmaker said the U.S. government is restricting some sales in China.
Weekly U.S. jobless claims fell to 232,000 for the week ending Aug. 27. That was weaker than economists surveyed by Dow Jones expected.
It was also a decline from the previous period and the lowest level since June 25.
Treasury prices sagged, raising yields to 3.27% from Wednesday's 3.19%. Treasury prices and yields move in opposite direction.
Oil prices stumbled $2.11 to $87.44 U.S. a barrel.
Gold prices shook off $21.20 to $1,705 U.S. an ounce.