 Shares of Boeing and Spirit Aerosystems both saw gains today after Boeing announced that it's agreed to buy a majority of Spirit in an all-stock deal worth around $4.7 billion. The acquisition will include just about all of Boeing's commercial operations. A major merger between theme parks is being finalized today. Texas-based Six Flags and Ohio-based Cedar Fair finalizing their $8 billion merger today. The new company will be called Six Flags Entertainment Corporation.