** Shares of Australia's RareX Ltd REE.AX fall as much as
16.7% to A$0.050, set to mark worst day since Jan 31, if losses
hold
** Stock hits lowest since March 27
** The rare-earths explorer says co has received firm
commitments to raise A$4.0 mln ($2.68 mln) (before costs) via a
share placement at an offer price of A$0.045 per share
** Offer price is a discount of 25% to stock's last close
** RareX stock up 11.1% this year, as of last close
($1 = 1.4910 Australian dollars)
(Reporting by Nausheen Thusoo in Bengaluru)
((Nausheen.Thusoo@thomsonreuters.com;))