Reddit’s AMC and GameStop stocks swing wildly after Robinhood, TD Ameritrade restrict trades

GameStop and AMC stocks at the center of a multibillion dollar drama between Wall Street investors and social media traders on Reddit have dropped dramatically Thursday. GameStop shares jumped to a high of $483 per share early in the day, then dropped to around $246 by midday ET, only to rally minutes later to more than $300. AMC, similarly, had gone as high as $16.50 per share before dropping to about $8 and then inching up to $9.50.  Investors are shifting funds from tech stocks with lofty valuations to other groups, such as energy and financials, that are undervalued and…