Duff & Phelps (DUF) announces a 4.5M offering of its common stock that it says will be used...

|About: Duff & Phelps Corporation (DUF)|By:, SA News Editor

Duff & Phelps (DUF) announces a 4.5M offering of its common stock that it says will be used to redeem units in Duff & Phelps Acquisitions held by some existing unit holders. Shares -7.1% premarket.