Gainers

• Poseida Therapeutics (NASDAQ:PSTX) shares moved upwards by 224.5% to $9.28 during Tuesday's pre-market session. The company's market cap stands at $904.4 million.
• Caribou Biosciences (NASDAQ:CRBU) stock rose 23.76% to $2.5. The company's market cap stands at $226.3 million.
• Arrowhead Pharma (NASDAQ:ARWR) shares increased by 21.07% to $22.75. The market value of their outstanding shares is at $2.8 billion. As per the press release, Q4 earnings came out today.
• Neurogene (NASDAQ:NGNE) stock rose 19.47% to $26.66. The market value of their outstanding shares is at $396.0 million.
• Tactile Systems Tech (NASDAQ:TCMD) stock increased by 18.12% to $22.35. The market value of their outstanding shares is at $536.3 million.
• Embecta (NASDAQ:EMBC) stock increased by 18.04% to $17.01. The market value of their outstanding shares is at $981.5 million. As per the press release, Q4 earnings came out today.

Losers

• Select Medical Hldgs (NYSE:SEM) shares declined by 43.8% to $21.75 during Tuesday's pre-market session. The company's market cap stands at $2.8 billion.
• Alector (NASDAQ:ALEC) stock declined by 34.35% to $2.6. The company's market cap stands at $254.6 million.
• BrightSpring Health (NASDAQ:BTSGU) shares fell 20.77% to $55.01.
• Scinai Immunotherapeutics (NASDAQ:SCNI) shares decreased by 17.85% to $2.9. The market value of their outstanding shares is at $2.4 million. As per the news, the Q3 earnings report came out 2 days ago.
• Cocrystal Pharma (NASDAQ:COCP) stock declined by 10.14% to $1.95. The company's market cap stands at $19.8 million.
• Amgen (NASDAQ:AMGN) shares fell 9.94% to $264.78. The market value of their outstanding shares is at $142.3 billion.

This article was generated by Benzinga's automated content engine and reviewed by an editor.