Mergers and Acquisitions

Diamondback Energy will spend about $538 million to acquire drilling interests in Texas' Midland Basin.

The Italian lottery operator Gtech is buying slot machine maker International Game Technology for $4.7 billion in cash and stock.

3M will take full control of its Sumitomo subsidiary by acquiring the 25 percent of the company that it doesn't already own for $885 million.

Specialty chemicals company Albemarle is buying counterpart Rockwood Holdings Inc. in a cash-and-stock deal valued at about $6.2 billion.

A growing number of U.S. companies are looking to trim their tax bills by combining operations with foreign businesses in a trend that may eventually cost the federal government billions of dollars in revenue.

Drugmakers AbbVie and Shire are in detailed talks about a possible combination after AbbVie once again raised the deal price and gave Shire shareholders a bigger stake in the new company.

Engineering design company Aecom Technology Corp. says it is buying URS Corp. for $4 billion in cash and stock, or about $56.31 per URS share.

Cigarette makers Reynolds American Inc. and Lorillard Inc. on Friday said they are in talks of a possible merger that would combine two of the nation's oldest and biggest tobacco companies.

Whirlpool will pay more than $1 billion for a controlling stake in Indesit, the appliance maker's counterpart in Italy.

A leading U.S. coal company is suing a rival with which it shared confidential business plans during a deal that later fizzled, saying the competitor used the proprietary details to buy up land in southern Illinois to thwart the accuser's expansion plans.