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 $1 billion for GameStop short sellers, according to data from S3 Partners.GameStop shares may encounter selling near a zone of resistance from prior price action between $37.50 and $63.50.AMC Entertainment shares find a confluence of resistance around $13 from the 50-day ...