The dollar is up about 3.8% at 110.20 per dollar.
The dollar index is up 2.5% at 109.76.
The Dow Jones Industrial Average is up 3.9%, the S&P 500 is up 0.5%, and the Nasdaq Composite is up 8.4%.
The benchmark S&P 500 index is now up 17.4% this year.
The dollar index has rallied more than 2% against the yen and euro against the dollar in the past 24 hours.
The Nikkei 225 is up 1.5%.
The Shanghai Composite index is down 3.5%; the Nikkeis 50 index is also down 3%.
The Dow Jones industrial average is down 4.1%; the S & P 500 is down 5.3%; and the NASDAQ Composite is down 6.3%.
The Dow is down 12.5 points, the S is down 9.8 points, and the index is off 0.7% from its intraday high of 17,099.17.99.
The S&s is up 7.4%, while the Nas is up 13.5.
The S&p is up 11.7%, the Dow is up 12.3%, the Nas up 12%, and index futures are up 4.4.
The Nas is at its highest level since March 3, 2019.
The U.S. dollar index dipped below 99.8 to 105.00 cents in early afternoon trading on Monday, the lowest level since mid-September.
The greenback also fell below 99 to 99.00 per dollar on the greenback’s last day of trading on September 23, 2019, a decline of nearly 15%.