Shares of AMC surge more than 377% in pre-market trading as retail investors continue their mania Posted on January 27, 2021 at 9:24 am. Shares of heavily-shorted AMC Entertainment, the movie theater operator, have surged over 377% in pre-market trading today to $23.52 on [Read More]To access this content, you must be a member. Visit the Plans page for details.