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Robots on Wall Street Wrestle With Confusing World of Reddit

  • AI deployed to turn message-board banter into trading signals
  • Hedge funds find big challenges in the era of sentiment data
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Rocket emojis for stock gains. “Tendies” as slang for profits. GIFs with company tickers.

Reddit forum WallStreetBets is hard for humans to follow at the best of times. But spare a thought for the machines.