** Shares of Australia's Bryah Resources BYH.AX fall as much as 16.7% to A$0.005, posting their biggest intraday pct drop since October 6
** Battery metals explorer says to raise A$1.98 million ($1.29 million) via placement at an issue price of A$0.00435 per share
** Issue price represents a discount of 27.5% to the stock's last closing
** Co says proceeds to fund gold and antimony drilling at its Golden Pike project in Canada
** Nearly 13.5 million shares change hands, 3.4x the 30-day average volume
** Stock has risen 25% so far this year
($1 = 1.5389 Australian dollars)
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com;))