** Shares of British business supplies distributor Bunzl BNZL.L down 4.8% to 2,114p
** Stock top loser on FTSE 100 .FTSE index, which is up 1.13%
** Co forecasts a slight year-on-year drop in its 2026 operating margin amid mounting macroeconomic uncertainties
** Says, uncertainties relating to the wider economic and geopolitical landscape are expected to continue into 2026
** BNZL expects moderate revenue growth in 2026 driven by some underlying revenue growth and a small benefit from acquisitions
** Including session's moves, BNZL down ~36% YTD
(Reporting by Tuhina in Bengaluru)
((tuhina@thomsonreuters.com))