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In 11 Hours of Pure Mania, 100% Stock Gains Popped Up Everywhere

Even as the broader stock market sank, shares loved by day traders on Reddit soared.

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Cooped up at home, glued to Reddit and Stocktwits chat forums, empowered by Robinhood accounts, funded by massive government money-printing and emboldened by a bull market that has turned reckless risk-taking into a virtue, America’s new band of day traders is frantically bidding up a wide range of fringe, oddball stocks in what has become one of the great financial manias in recent history.

To capture how fast and furious the action is and how extreme the price swings — and the trash-talking — are, Bloomberg News tracked Wednesday’s events in real time.