US Stocks Hit Record Highs, Sanofi Acquires Dynavax, and Powerball Reaches $1.7 Billion

US Stock Market Performance

• 📈 The Dow Jones Industrial Average increased by 289 points, the Nasdaq rose by 51 points, and the S&P 500 added 22 points.
• 🎯 US stocks maintained record highs during the shortened Christmas trading day, with investors anticipating a "Santa Claus rally" to end the year.
• 💡 Hopes for the Federal Reserve to cut rates in 2026 are contributing to market optimism.

Corporate Acquisitions and Expansions

• 🤝 Drug giant Sanofi has agreed to acquire Dynavax Technologies for approximately $2.2 billion.
• 💉 The acquisition includes Dynavax's marketed hepatitis B vaccine and an experimental shingles shot currently in early testing.
• 📚 Barnes & Noble plans to open 60 new stores across ten states in 2026, marking an expansion after over 15 years of store decline.

Powerball Jackpot

• 💰 The Powerball jackpot has reached $1.7 billion, making it the fourth largest in U.S. history.