Trader Arrested as WallStreetBets Phenomenon Finds Echo in Japan

  • Prominent investor on Twitter probed for market manipulation
  • Incident shows risks of being in spotlight on social media
Photographer: Kiyoshi Ota/Bloomberg
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A retail investor buys shares in a small company, touts his position on social media and inspires a horde of followers to do the same. The stock price goes to the moon -- before crashing back to earth.

It’s an all-too-familiar tale to anyone watching the market in 2021, but this wasn’t GameStop Corp. It wasn’t even in America. And it happened in 2018.