shares of movietheater operators fell in premarket trading friday after the wall street journal reported that uk cinema chain cineworld group plc cnwgy cine  the parent of regal entertainment group was preparing to file for bankruptcy the report follows cineworlds disclosure earlier this week that it was evaluating options for additional liquidity and a balancesheet restructuring cineworlds uklisted shares plunged 225 shares of amc entertainment holdings inc amc dropped 86 ahead of fridays open but they may also be weighed down by weakness in other socalled meme stocks also cinemark holdings inc shares cnk shed 3 premarket and imax corps stock imax fell 03 separately epr properties stock epr dropped 34 premarket as the realestate investment trust reit has exposure to cineworld since cineworld is the parent of entities that lease eprs regal theaters earlier this week epr said regal was current on all payments due epr