
U.S. stocks were mixed, with the Dow Jones index gaining more than 200 points on Tuesday.
Shares of United States Antimony Corporation (NYSE:UAMY) rose sharply during Tuesday's session after the company announced it secured a $245 million sole-source contract by the U.S. Defense Logistics Agency Strategic Materials for the purchase of antimony ingots to replenish the U.S. National Defense Stockpile.