Key TakeawaysPandemic-era meme stocks GameStop and AMC Entertainment both surged more than 70% on Monday, potentially triggering a short squeeze where investors rush to cover short positions. Monday's meme stock rally caused losses nearing 1billionforGameStopshortsellers,accordingtodatafromS3Partners.GameStopsharesmayencountersellingnearazoneofresistancefrompriorpriceactionbetween37.50 and 63.50.AMCEntertainmentsharesfindaconfluenceofresistancearound13 from the 50-day ...