
Nuclear power plant operator Constellation Energy's stock shot up 25% on Friday after it announced it will purchase natural gas and geothermal company Calpine Corp. for $16.4 billion, creating the nation's largest clean energy provider.
The cash and stock deal is made up of 50 million shares of Constellation stock and $4.5 billion in cash. It will also assume about $12.7 billion in Calpine debt for a total purchase price of $26.6 billion, Constellation said Friday.