Sophia Coffey, a 19-year-old student at Arizona State University, scooped up 185 shares of AMC Entertainment over the course of the Covid-19 pandemic. For about $2 to $7 per share, she was betting that the movie theater chain would financially recover after the pandemic. To her surprise, the investment paid off before Covid-19 restrictions were lifted: The GameStop stock frenzy catapulted the value of $AMC to $20 per share by late January, as amateur investors organized to artificially increase the market performance of some declining companies, including AMC. Coffey decided to sell a few days later before it sank, which produced about 400 percent gains, but she’s still holding on to about 85 shares in case the value of AMC surges…

