Australia's Unico Silver hits over one-month low on discounted placement

** Shares of Unico Silver USL.AX fall 11.8% to A$0.745, their lowest level since August 19

** Stock on track for worst day since March if trends hold

** Silver explorer raises A$60 million ($42.19 million) at A$0.76 per share

** Issue price represents a discount of 10.1% to stock's last close

** Stock down 14.4% YTD, including moves in the current session

($1 = 1.4223 Australian dollars)