** Shares of semiconductor chipmaker Archer Materials
AXE.AX fall as much as 9.8% to A$1.565, their lowest since
Aug. 20
** Co says it will raise A$15 mln ($10.87 mln) in an
institutional placement urn:newsml:reuters.com:*:nASXbWxDpS
** Issue price of A$1.45 per share represents 8.9% discount
to stock's last close on Thursday
** Shares being offered represent 5.4% of co's free float
shares
** Stock on track for a fourth consecutive session of drop
** Stock up 233.7% this year, as of last close
($1 = 1.37601 Australian dollars)
(Reporting by Tejaswi Marthi in Bengaluru)
((tejaswi.marthi@thomsonreuters.com))