GameStop ($GME) stock trading has been repeatedly halted due to extreme volatility, with the stock surging over 110% in a single day. The trading halts occurred multiple times as the stock price continued to rise, leading to a total of 38 halts for GameStop and AMC Entertainment combined. Short sellers incurred significant losses, with approximately $1 billion lost. Despite the halts, GameStop closed up 60% and AMC closed up 30% at the end of the trading day.