** Shares of Australia's Avecho Biotechnology AVE.AX fall as much as 7.7% to A$0.006
** The biopharmaceutical company announces a A$2.5 million ($1.62 million) placement at an issue price of A$0.005 per share
** Issue price at a discount of 28.6% to stock's last closing
** Funds will be primarily used to accelerate commercial manufacturing activities, others, says Avecho
** Near 9 million shares change hands, 4.7x the 30-day average volume
** Stock has risen 140% this year, as of 0247 GMT
($1 = 1.5389 Australian dollars)
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com;))