** 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
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com))