GameStop Rally Reignites as Retail Traders Step Back In (4)

GameStop Corp. dipped in extended trading after rising nearly 70% on Friday, wrapping up a week of wild swings as retail investors returned to the stock after trading restrictions on the company were lifted.

The shares at the center of the retail craze that’s gripped Wall Street and drawn scrutiny from Washington, rallied after Robinhood Markets’ decision to lift some curbs that prevented investors on Thursday from buying the stocks that had been going straight up for days.

GameStop closed the session at $325, wrapping up a 400% price surge in the week. The company’s value quintupled since last Friday ...