** Shares of Bannerman Energy BMN.AX fall as much as 4% to
A$3.860, their lowest since May 1
** Stock posts its biggest intraday percentage decline in a
week
** The uranium miner increases pre-production capital cost
estimate for its Etango uranium project in Namibia by 11.3% to
$353.5 mln
** Increases all-in-sustaining-cost estimate for project by
2.6% to $39.09/lb uranium ore
** Stock up 49.4% YTD, based on last close
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))