Bid & Ask: The Deals of the Week

Noteworthy expenditures of the week

1. Iraq approved a $17 billion contract with Royal Dutch Shell and Mitsubishi for the capture of natural gas at three oil fields in the south of the country. Iraq has a 51 percent stake in the venture.

2. Warren Buffett’s Berkshire Hathaway spent $10.9 billion for a 5.5 percent stake in IBM, now its second-biggest holding after Coca-Cola.