** Shares of Challenger Exploration CEL.AX jump as much as
9.7% to A$0.17
** Stock on track for best session since May 8, if gains
hold
** Co says drilling at El Guayabo concession in Ecuador
continues to produce excellent results
** "The Phase 2 drill program was designed to allow the
reporting of a maiden mineral resource estimate", says co
** Trading vol about 1.5x the 30-day average
** Stock down ~11.4% so far this year, as of last close
(Reporting by Upasana Singh in Bengaluru)
((Upasana.Singh@thomsonreuters.com))