Billionaire Bill Ackman's hedge fund, Pershing Square, has spent nearly $1 billion to accumulate shares of one real estate ...

The S&P 500 has been exceptionally volatile this year due to economic uncertainty, and the index is currently 9% below its ...

Bill Ackman has invested $900 million to raise his stake in Howard Hughes Holdings from 37.6% to 46.9%, signaling plans to ...