Australia's Unity Metals slips on discounted placement
** Shares of Australia's Unity Metals UM1.AX fall as much as 14.7% to A$0.145, their biggest intraday loss since July 21
** Stock hits weakest level since July 30
** Gold and copper explorer announces placement to raise A$3.5 million ($2.45 million) at A$0.15 per share
** Placement price reflects nearly 12% discount to last close on Tuesday before it went on trading halt
($1 = 1.4278 Australian dollars)