Mirant (MIR) and RRI Energy (RRI) agree to an all-stock merger that will create a $3.1B...

|By:, SA News Editor

Mirant (MIR) and RRI Energy (RRI) agree to an all-stock merger that will create a $3.1B independent power producer, which they'll call GenOn Energy. Mirant shareholders will own about 54% of the new company.