It is 2021 all over again. Meme stocks are back, baby! AMC Entertainment (NYSE:AMC) stock is soaring and though down from the peak during the recent frenzy, it stands 66% above where it was before the buying fever kicked in.Investors should use this opportunity to sell their AMC stock. Take whatever profits were made and put them into a better investment. Lightning is not going to strike twice.A Rally About NothingSource: MNAphotography / Shutterstock.comThe current rally in the movie theater operator’s sto ...