Donald Trump
Donald Trump.
  • Donald Trump's meme stock has plunged by 70% from its peak last month.
  • Trump Media & Technology Group, which owns Truth Social, soared after it went public.
  • Experts say powerful figures can drive up stock prices, but the gains can be short-lived.

Donald Trump's meme stock skyrocketed in March but has now crash-landed.

Experts say its explosive rise and dramatic fall show how powerful people can wield their influence to create vast amounts of stock-market wealth — but it doesn't last long without a real business behind it.