Gainers

• Moderna (NASDAQ:MRNA) stock increased by 7.67% to $279.6 during Friday's pre-market session. The company's market cap stands at $112.2 billion.
• Eton Pharmaceuticals (NASDAQ:ETON) stock moved upwards by 6.38% to $5.83. The company's market cap stands at $142.8 million.
• Tivity Health (NASDAQ:TVTY) shares rose 5.79% to $26.12. The company's market cap stands at $1.2 billion.
• Akebia Therapeutics (NASDAQ:AKBA) stock rose 5.72% to $3.51. The market value of their outstanding shares is at $562.0 million.
• HUTCHMED (China) (NASDAQ:HCM) shares moved upwards by 5.09% to $40.04. The company's market cap stands at $6.7 billion.
• vTv Therapeutics (NASDAQ:VTVT) stock moved upwards by 4.97% to $2.11. The market value of their outstanding shares is at $175.7 million.

Losers