The Dow Jones stock index has risen by 0.75% to 24,356.74, S & P 500 increased by 0.86% to 2,736.61 and NASDAQ by 1.12% to 7 586.43.
The FTSE 100 index in the European stock markets has increased by 0.40% to 7,603.22 points, Germany's DAX by 1.19% to 12 464.29, and French CAC-40 by 0.88% to 5 366.32 points.
At the latest COMEX auctions, gold prices descended $2.50 to $1,256.30 an ounce and silver prices also decreased by $0.05 to $16.05.