Ur Energy is trading at $0.86, up 5.51% in pre-market; no new company announcement dated October 21 was found. - Latest notable news: Ur Energy began in-situ recovery operations at Shirley Basin, reported October 16; the report says operations started the prior week. - The Shirley Basin development is relevant background, but available sources do not establish it as the direct cause of the October 21 gain. - Ur Energy is a uranium miner, not a crypto-related company.