The meme stocks are not dead yet. Why GameStop and AMC are holding up

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Meme stocks are staging a big comeback with GameStop popping a whopping 60% this week alone. The shares have proved detractors wrong who believed they would return to their pre-meme-craze levels in short order.

Can these stocks stay at these levels or will their loyal retail investors eventually throw in the towel as the companies' fundamental turnaround plans continue to come up short?