shares of amc entertainment holdings inc amc sank 79 in premarket trading putting them on track to suffer an eighthstraight decline the movie theater operators stock had tumbled 211 over the past seven sessions which was so far the longest losing streak since the eightday stretch that ended may 6 the stock has also lost 383 amid a fiveweek losing streak the stocks recent weakness is part of a broad selloff in growth and other meme stocks which comes as the oneyear anniversary of the start of the meme stock phenomenon passed last week gamestops stock slumped 62 in mondays premarket after bouncing 36 on friday to snap an eightday losing streak but video game retailer gamestops stock still fell 88 last week to extend its weekly losing streak to nine weeks in which the stock plunged 535 meanwhile futures es00 for the sp 500 spx fell 12 ahead of mondays open and the sp 500 has lost 77 amid a 3week losing streak through friday