Shares of St George Mining SGQ.AX rise as much as 13% to A$0.13, their highest level since March 18
Stock set for its strongest intraday trading session since February 23, if gains hold
The diversified miner and Boston Electrometallurgical Corporation entered a strategic alliance to start trial for innovative niobium processing at Araxa Project, Brazil
Company says new technology used could deliver cleaner and lower-cost production for niobium
Stock up 28.8% YTD, including the session's moves