Ackman’s Pershing Square to Boost Stake in Howard Hughes Holdings - WSJ
1. Pershing Square invests $900 million, raising stake to 46.9%. 2. Bill Ackman returns as executive chairman of Howard Hughes. 3. Howard Hughes to pay $3.75 million quarterly to Pershing Square. 4. Ackman's involvement may increase investor confidence in HHH. 5. Ackman's past interest in privatization highlights strategic future options.