The major averages took steep losses to start the week as investors continued their rotation out of technology stocks amid rising bond yields.
The Dow Jones Industrials lost 392.23 points, or 1.1%, 33,934.23.
The S&P 500 dropped 73.28 points, or 1.7%, to 4,283.56
The NASDAQ Composite dropped 7373.67 points, or 1.7%, to 14,193.03.
Large tech shares like Apple, Nvidia, Amazon and Microsoft were lower as investors eyed bond yields. A surge in rates to end September knocked highly valued tech stocks.
Prices for 10-year Treasurys were higher, lowering yields to Friday's 1.47%. Treasury prices and yields move in opposite directions.
Oil prices gained $2.07 to $77.95 U.S. a barrel.
Gold prices jumped $11.20 to $1,769.640 U.S. an ounce.