Billionaire hedge fund manager Bill Ackman announced plans to build a modern-day Berkshire Hathaway (BRK.A 1.42%) (BRK.B 1.38 ...

Bill Ackman is supporting former hedge funder Whitney Tilson in his quest to become the next mayor of New York City.

Canton's former Blue Hill Tavern space gets a new restaurant, a Miami firm buys into a Cecil County development, and more ...