VinFast Stock Soars then Crashes in Retail Investor Frenzy, Exhibiting 'Greater Fool' Behavior
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VinFast, an unprofitable EV maker, saw its stock surge 504% in 4 weeks before crashing 80% in 8 days, exhibiting "greater fool" behavior.
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Retail investors piled into VinFast late, helping drive the frenzy, similar to meme stocks like GameStop and AMC early in the pandemic.
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Tiny floats of shares, like VinFast's 1% availability, can make stocks prone to wild swings when small groups coordinate buys.
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Traders treat stocks like casino bets, spurred by free money, personalities, and ease of access from phones.
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The "greater fool theory" of betting on stocks hoping a greater fool will buy at a higher price appears here to stay.