** Shares of Tambourah Metals TMB.AX fall as much as 23.5%
to A$0.260, posting their record intraday pct drop
** Critical metals explorer says it has received firm
commitments to raise A$2.5 mln ($1.65 mln) before costs via
placement
** Issue price of A$0.235 per share is at a 30.9% discount
to last close on July 28
** Co says funds raised will be predominantly applied to
drilling and assessment of co's Pilbara lithium projects
** TMB stock up 223.8% YTD, as of last close
($1 = 1.5126 Australian dollars)
(Reporting by Echha Jain in Bengaluru)
((Echha.jain@thomsonreuters.com))