Mind Medicine (MNMD 9.04%) stock is posting big gains in Tuesday's trading. The biotech company's share price was up 8.7% as of 2 p.m. ET despite a 0.8% pullback for the S&P 500 index and a 1.5% decline for the Nasdaq Composite index.MindMed stock is surging today following a recent report from a Minnesota-based task force that urged the decriminalization of psychedelic mushrooms. The clinical-stage biotech specialist is focused on potential medical applications for psychedelics, and it stands to benefit if ...