Billionaire Bill Ackman wants to build a ‘modern-day Berkshire Hathaway.’ He has a long way to go to rival Warren Buffett. - MarketWatch
1. Bill Ackman acquires controlling interest in Howard Hughes Holdings for $900 million. 2. Ackman aims to transform HHH into a diversified holding company. 3. HHH stock rose 5.2% after Ackman's announcement. 4. Ackman plans to explore insurance sector investments. 5. Howard Hughes operates as a holding company and real estate developer.