Capital Network analyst Helaine Kang discusses Judges Scientific Plc's (LON:JDG) 2018 interim results. The group’s adjusted operating profit grew 48% Y/Y to £6.9mln; the vacuum segment’s performance was noteworthy, with a significant increase of 26% and 89% for revenue and operating profit respectively lifting the segment’s adjusted operating margin to 23% from 15% in 1H 2017.