AMC, GME and meme stocks are back in the spotlight — How will professional traders handle it this time around?

Retail investors are jumping back into meme stocks — and other speculative securities — and don’t appear ready to let up. Aggregate daily inflows into U.S. securities over the past five trading days through Tuesday were in line with the 2021 daily average at around $1.2 billion, “showing no real sign of weakness so far,”…