The speculative activity hatched online has captivated global markets, drawing attention from US politicians and overwhelming brokerages around the world. Now, the speculative tide is turning.
The wild run-up of trades popular with Reddit crowds is starting to come crashing down.
GameStop Corp. sank 23% in US pre-market trading, extending a 31% plunge on Monday. AMC Entertainment Holdings Inc. slid 21% and Express Inc. lost 15%. Silver tumbled 5% after surging to an eight-year high.

