** Shares of Jupiter Energy JPR.AX more than double in
value to A$0.038
** Stock posts its biggest intraday percentage gain since
Sept. 16, 2021
** Stock rises for a third straight day, hitting its highest
level since March 6, 2023
** Oil and gas explorer says it has received a report from a
consultancy evaluating possible reserves at co's three oilfields
in Kazakhstan
** Says report shows significant increase in reserve base
compared to last report in 2013
** Says after-tax net present value of project of $180 mln
compares favourably with co's current enterprise value of $31
mln
** More than 860,400 shares change hands, nearly 100x the
30-day average volume of 9,458
** Stock fell 34.6% last year
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))