** Shares of Ioneer Ltd INR.AX up 18.9% to A$0.22, on
track for their best day since Sept 29, 2020
** Stock hit its highest level since May 2023
** The lithium-boron producer's Rhyolite Ridge Lithium-Boron
Project in Nevada, clears major U.S. Federal permitting step
** Co says permit moves co one step closer to the
construction of the project
** About 5.8 mln shares change hands by 0101 GMT, 2.8 times
the 30-day average volume of shares
** Stock has risen 23.3% YTD, as of last close
(Reporting by Sherin Sunny in Bengaluru)
((Sherin.Sunny@thomsonreuters.com))