FireFly Metals (MNXMF, $0.61) was one of the top gainers for the month, rising +1 to $0.61 per share. A.I.dvisor analyzed 520 stocks in the Other Metals/Minerals Industry for the month ending May 22, 2025 and discovered that of them (6) exhibited an Uptrend while of them (3) exhibited a Downtrend.