US investment firm Fortress, which owns Poundstretcher and Majestic Wine, has acquired the British arthouse cinema chain Curzon.Curzon, with 16 cinemas across the UK and over 350 employees, was purchased for an undisclosed sum.Curzon was put up for auction along with its distribution arm and streaming platform earlier this year.The acquisition by Fortress will secure the jobs of 350 staff and allow Curzon to continue offering independent and blockbuster movies.