** Shares of Firefinch FFX.AX jump as much as 8.4% to
A$0.97, set for their best day since March 1, if gains hold
** FFX says it has substantially increased its mineral
resource estimates for its Viper and N'Tiola deposits at the
Morila gold project in Mali, north-west Africa urn:newsml:reuters.com:*:nASX18fsP3
** Says N'Tiola's mineral resource estimates increased 18%
and Viper by 128% for contained gold
** Stock hits highest since March 9, 2011
** FFX rose in the previous session after short-seller J
Capital issued a long report on co's valuation
urn:newsml:reuters.com:*:nFWN2VQ0OF urn:newsml:reuters.com:*:nL3N2VR08O
** Stock rises for a fourth consecutive session
** FFX up 3.5% YTD, as of last close
(Reporting by Riya Sharma in Bengaluru)
((Riya.Sharma@thomsonreuters.com;))