Hudbay Minerals is trading at $22.89, up 4.13% in pre-market on October 26; no clear company-specific catalyst was identified. - The price compares with the October 23 close of $21.98. - Hudbay and Mitsubishi announced Copper World construction approval on October 21, before this move; the announcement does not establish a direct reason for the gain. - Copper was reported lower on October 26, while supplied major indices were up less than 0.5%, not indicating a broad-market move of the stated magnitude.