(Bloomberg) -- Stocks recently targeted by retail investors soared again Wednesday as millions of shares changed hands. Penny stocks with a low amount of tradeable shares lead the charge.

Among the advancing stocks, GameStop reversed an early decline to rise 12% after it named a former Amazon Web Services engineering leader to a top tech position

  • Tyme Technologies more than doubled and almost 150 million shares traded after the biotech was granted patent claims related to a Covid-19 treatment
  • Low-float penny stock Sellas soared as much as 61% after Reddit mentions (volume more than 25 million shares)
  • Healthier Choices Management, a vaping company and health food store operator, rose 21% as about 3.4 billion shares changed hands; the pink sheets company has 105 billion shares outstanding
  • Castor Maritime +3.7% (vol. >41m)
  • Corbus Pharmaceuticals +13% (vol. >17m)
  • AMC Entertainment +14% (vol. >65m)
  • Headphones and loudspeakers maker Koss +50%
  • Cannabis firm Tilray +20% after recent mentions in the WallStreetBets and PennyStocks sub-Reddits
  • Peer Sundial Growers +28% also mentioned
  • Swimwear and underwear retailer Naked Brand +12%
  • Retailer Express +14%
  • A handful of former daytrader favorites slipped. Covid-19 vaccine developer Vaxart tumbled 62% after a vaccine update. The stock had soared more than 1,500% in 2020; other stocks that were retreating included:
    • Ocugen fell 21% after an 80% rally on Tuesday driven by a vaccine deal
    • Genius Brands -3.9%
    • BlackBerry -4.1%
    • XpresSpa, an airport spa operator which pivoted to Covid-19 testing, fell as much as 5.8%


  • GameStop’s Giant Bubble Deflates Further After $27 Billion Rout

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