For companies announcing results this Q3, growth in operating profit margins has been an elusive parameter, with cost pressures impacting a range of firms across industries, from Auto to Power. This live results stock screener (subscription required, but snapshot is above) tracks stocks that have delivered results with positive operating margin and net profits within the past two weeks. Among these are pharma company Hester Biosciences, engineering firm Praj Industries and broadcast firm Music Broadcast Limited, which announced results today.