United States Antimony is trading at $3.34, up 7.05%, with no clear, verified catalyst identified for the October 21 move. - An October 21 news item repeats an update on third-quarter antimony shipments under the existing DLA contract, describing it as announced “recently”; it does not link the update to a share-price reaction. - Supplied market indicators were mixed, with no major index move above 0.5% in the same direction; the reason for the gain remains unclear.