** Shares in Axon Enterprise AXON.O fall nearly 21% to $558.8 in after-hours trading
** TASER maker misses Q3 adjusted EPS estimates, posts profit of $1.17 per share vs analyst average of $1.52 apiece, per LSEG data
** Miss due to higher costs resulting from tariff policies implemented by the Trump administration
** Co to buy emergency communications and response platform Carbyne, valuing it at $625 million
** Up to last close, stock had risen ~19% so far this year
(Reporting by Prerna Bedi in Bengaluru)
((Prerna.Bedi@thomsonreuters.com; +91 98052 24616;))