** Shares of Mount Gibson Iron MGX.AX fall as much as 8.1%
to A$0.510 - stock to mark worst day since Feb 15 if losses hold
** Iron ore producer posts first-half net loss after tax
attributable of A$65.6 mln ($47.42 mln), compared to a profit of
A$74.5 mln a year earlier urn:newsml:reuters.com:*:nASX6LvNvY
** Says revenue down 89% to A$28.8 mln
** MGX hits lowest since Feb 16 and down for a second
straight session
** Stock up ~30.65 this year, as of last close
($1 = 1.3835 Australian dollars)
(Reporting by Tejaswi Marthi in Bengaluru)
((tejaswi.marthi@thomsonreuters.com))