** Black Canyon BCA.AX slips 9.3% to A$0.440; set for biggest intraday percent drop since June 20
** Manganese-copper explorer announces placement worth A$10 mln ($6.5 mln) at A$0.42/share
** Issue price represents 13.4% discount to last close
** Funds will be used to accelerate drilling, metallurgical testwork, development studies at Wandanya in Western Australia
** However, BCA surges 576.9% YTD
($1 = A$1.5389)
(Reporting by Keshav Singh Chundawat in Bengaluru)
((Keshav.SinghChundawat@thomsonreuters.com;))