** Shares in Elisa ELISA.HE fall more than 6% after the Finnish telecom's Q3 results miss on customer metrics, organic growth in its International Software Services (ISS) business
** Q3 mobile service revenue growth came in at 3.3%, which J.P.Morgan says remains slightly below the group's mid-term ambitions
** While ISS revenue of EUR 34 million showed +53% growth, JPM estimates organic growth deteriorated to slightly negative in Q3 from +9.6% in Q2
** The broker also notes the groups comments about "keen" competition, especially in low-speed-tier 4G subscription
** The stock is among the worst performers on STOXX 600 index .STOXX and if losses hold, it will see its worst day in a year
(Reporting by Jagoda Darlak)
((Jagoda.Darlak@thomsonreuters.com; +48 58 769 65 40;))