Explainer · Scams & risk

Pump-and-dump: how it works and the red flags

6 Nov 2026 · EN

In a case announced by the US Justice Department in November 2025, prosecutors say people posing as financial advisers drew investors into WhatsApp chats, promised returns of 300–500% and steered them into one Nasdaq-listed stock. On 17 April 2024 its price collapsed about 88% in a single day. These are charges, not a conviction.

Key points

  • Prosecutors allege the fake advisers even promised to cover any losses, while accounts abroad sold the stock for up to $211 million in gross proceeds.
  • The pump-and-dump pattern, as the FBI and FINRA describe it: someone holds a lot of a cheap, thinly traded stock, hypes it so buyers push the price up, then sells into the rush and the price collapses.
  • In July 2025 the FBI said complaints referencing these ramp-and-dump schemes were up at least 300% compared with 2024.
  • FINRA's red flags: a stranger adds you to a stock-tip chat, claims to be a famous pro, tells you which broker to use, and pushes you to send more money to win back losses.

Sources

Educational · Not financial advice Made with AI tools (AI voices and visuals), checked by a person

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