Gossamer Bio is trading 5.4% up at $11.89 after continued investor reaction to H.C. Wainwright maintaining a Buy rating and raising its price target from $2 to $90 following the 1-for-80 reverse stock split.

  • H.C. Wainwright’s action provides the clearest company-specific catalyst for the September 22, 2026 move.
  • Broader sentiment is supportive but modest: Nasdaq up 0.47% and S&P 500 up 0.13%.