Dynavax
Sanofi Acquires Dynavax in $2.2 Billion Christmas Eve Deal, Sending Shares Soaring
In a blockbuster conclusion to the 2025 trading year, Dynavax Technologies (NASDAQ:DVAX) saw its stock price skyrocket by nearly 40% in premarket trading this morning, December 24, 2025. The surge follows the official announcement that global pharmaceutical giant Sanofi (NASDAQ:SNY) has entered into a definitive agreement to acquire