Peak ‘Roaring Kitty’? Dog-Tweet Rally Shows His Power and Limits

  • Retail-trader ringleader sent Chewy, Petco shares on wild ride
  • Market pros watching for signs of fatigue after stocks reverse
Keith Gill during a YouTube livestreamPhotographer: Michael Nagle/Bloomberg
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The latest social-media frivolity this week from the man known as Roaring Kitty sent traders frantically reading into a cartoon featuring, of all things, a dog.

Was Keith Gill getting into WOOF? (Petco Health & Wellness Co.) Perhaps PET? (Wag! Group Co.) Or, quite possibly, the company that was co-founded by Ryan Cohen, GameStop Corp.’s current chief executive, CHWY? (Chewy Inc.)