UK's Halma rises after raising annual operating profit margin forecast

** Shares of British health and safety device maker Halma HLMA.L up 2.7% at 3678p

** Company raises annual adjusted operating profit margin to between 23.5% and 24.0% vs from earlier forecast of 22.7%

** HLMA maintains forecast for low double-digit percentage organic constant-currency revenue growth this year

** Says first-half performance was strong, with broad-based growth despite economic, geopolitical and market uncertainty

** Stock is up 1% YTD