** Shares in Ambu AMBUb.CO slump 17% after the Danish endoscopy solutions maker reported Q4 results below consensus
** J.P.Morgan says Ambu's adjusted operating profit (EBIT) of 147 million Danish crowns ($22.96 million) was a 22.5% miss, impacted by tariffs and foreign exchange challenges
** Ambu also updated its 2025/2026 EBIT margin guidance to 12-14%, including 2 percentage points of tariff impacts, and its organic revenue growth to 10-13%
** This guidance implies about 14% cut to the consensus EBIT, adds JPM
** While macroeconomic challenges should be well understood, JPM says "the magnitude of the impact will come as a negative surprise
** Shares were down 17% at 08:03 GMT at the bottom of the STOXX 600 .STOXX index, on track for worst day since May 2021, if losses hold
($1 = 6.4029 Danish crowns)
(Reporting by Vera Dvorakova)
((vera.dvorakova@thomsonreuters.com))