SELINSGROVE, PENNSYLVANIA, UNITED STATES - 2021/01/27: A woman walks past the GameStop store inside the Susquehanna Valley Mall. An online group sent share prices of GameStop (GME) and AMC Entertainment Holdings Inc. (AMC) soaring in an attempt to squeeze short sellers.GameStop and AMC are seeing big buying from mom-and-pop investors, but the purchases pale in comparison to the meme stock explosion seen three years ago.The video game seller and movie theater chain saw more than $15.8 million and $37.5 milli ...