Uber just became one of Bill Ackman's boldest portfolio moves. Here's why he's all in — and what it could signal about where ...

Pershing Square Holdings Ltd (LSE:PSH) outperformed the S&P 500 by up to 1,000 basis points, while making strategic investments and portfolio adjustments.

Ackman remains bullish on Fannie/Freddie, and Pershing Square Holdings continues to trade at a substantial discount to NAV.

NEW YORK (Reuters) -Billionaire investor Bill Ackman told clients on Thursday that his hedge fund bought Amazon shares last ...