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** Shares in Danish hearing aids maker GN Store Nord GN.CO rise about 15% after it beat Q2 expectations and narrowed its FY quidance
** Its quarterly revenue of DKK 4,160 million ($649.82 million) slightly beats the IBES estimate of DKK 4,122 million, while EBITA comes in at DKK 546 million
** J.P.Morgan says revenues are 1.7% ahead, divisional profit 11.8% ahead, adj EBITA 30.9% ahead, EPS 21.5% ahead
** The group narrows organic revenue growth guidance was narrowed to -2% to +2% vs previous -3% to +3% range
** "Hearing performance was strong against a soft market," JPM adds
** The broker sees scope for a "relief rally" in the near term given recent competitor reports and relatively low expectations
** The shares track their best day since April 2010, if gains hold
($1 = 6.4018 Danish crowns)
(Reporting by Elviira Luoma)
((Elviira.luoma@thomsonreuters.com))