On September 30, Perpetua Resources is trading 4.78% up in pre-market at $22.56, versus its September 29 close of $21.53; no clear overnight catalyst was identified. - The latest company-specific update, on September 28, said construction and exploration advanced at the Stibnite project, including Burntlog Route earthworks and ongoing drilling. It predates this move and cannot be confirmed as its cause. - Supplied major-index moves are modest and do not establish a broader-market explanation.