** Shares of Red Dirt Metals Ltd RDT.AX drop as much as
10.6% to A$0.505 in their biggest intraday pct loss since Oct 19
** Co says it has received firm commitments to raise A$55
mln ($37.43 mln) in a placement
** Issue price of A$0.50 per share is at an 11.5% discount
to stock's last close on Nov 29
** Says proceeds from placement will be used for co's Mt.
Ida and Yinnetharra lithium projects
** Shares touch their lowest since Oct 27
** Stock had fallen 15% this year, as of last close
($1 = 1.4693 Australian dollars)
(Reporting by Echha Jain in Bengaluru)
((Echha.jain@thomsonreuters.com))