Shares of Ioneer INR.AX rise as much as 32% to A$0.165, logging their best day since Oct. 7
Stock hits its highest level since Feb. 26
Lithium-boron producer says the U.S. District Court upheld permit for Rhyolite Ridge lithium and boron mine project in Nevada
Mine is slated to become one of North America's largest sources of lithium, a metal important for batteries, and a key supplier to automaker Ford
Stock down 27% this year, including the day's move