Renae Dyer Sharecast News 08 Aug, 2016 09:36 08 Aug, 2016 10:08 Rotork 'underperform' rating unchanged, target price lifted by Jefferies Jefferies maintained Rotork’s rating at ‘underperform’ on Monday but raised its target price to 170p from 155p based on a higher 2017 forecast for the British manufacturer.