Australia's Viridis Mining and Minerals hits over one-month high on offtake deal

** Shares of Australia's Viridis Mining and Minerals VMM.AX rise as much as 16.7% to A$3.99, marking their biggest intraday pct gain since October 1

** Rare earths miner executes a binding long-term offtake agreement with Solvay SOLB.BR, a Belgium-based chemical firm, to sell mixed rare earth carbonate (MREC) from its Colossus Rare Earth Project in Brazil

** The minimum contracted volumes support minimum revenue of $915 million, based on contractual price floors and other factors, co said

** Stock has more than doubled in value YTD