UK's Xaar tumbles after first-half profit drop
** Shares of British inkjet printhead maker Xaar Plc XAR.L down 8% at 112.6 pence ** Stock top loser on FTSE all-share .FTAS index, which is up 0.3% ** Co posts first-half adjusted EBITDA down 15% ** Says expectations for 2025 remain unchanged ** Continues to expect revenue to be second-half weighted ** Including session's moves, XAR up ~59%, FTAS up ~11% YTD (Reporting by Nithyashree R B in Bengaluru) ((NithyashreeRB@thomsonreuters.com))