** Shares of Sacgasco SGC.AX fall as much as 20% to
A$0.004, their lowest since June 7
** Stock posts its biggest intraday percentage decline since
June 7
** Oil and gas explorer says it will raise about A$734,000
(~$489,500) via a share placement at A$0.0035 per share
** Issue price represents a 30% discount on stock's last
close
** About 4 mln shares change hands, compared with the 30-day
average volume of around 873,000
** Stock has tumbled about 64% YTD, including session's
moves
($1 = 1.4995 Australian dollars)
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))