** Shares of Australia's LinQ Minerals LNQ.AX fall as much as 12.5% to A$0.49, their lowest level since January 16
** Stock marks their biggest intraday pct fall since January 20
** LNQ stock on track to record their worst week, if current trend holds, having lost 24% so far this week
** The gold-copper explorer and developer announced discounted placement of A$15.4 million ($10.78 million) on Tuesday
** Near 1.8 million shares change hands, 1.4x the 30-day average volume
** Stock up 157.9% so far this year, including session's moves
($1 = 1.4284 Australian dollars)
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com;))