CNBC's Diana Olick joins 'Closing Bell' to discuss tweets from Pershing Square CEO Bill Ackman on Fannie Mae and Freddie Mac.

The investor’s flagship fund , Pershing Square Holdings, had its worst year relative to the S&P 500 since 2017.

In the investing world, few names carry the weight and influence of Bill Ackman, the founder and CEO of Pershing Square ...

By Elizabeth Dilts Marshall Billionaire hedge fund investor and Universal Music Group director Bill Ackman is a step closer to de-listing his Pershing Square Holdings from the Euronext Amsterdam ...

Mark Calabria, the former head of the Federal Housing Finance Agency (FHFA) under Trump, agreed that Trump would try to ...

After riots that appeared to target Israeli soccer fans in Amsterdam, hedge-fund investor Bill Ackman said that was the ...

Nike's turnaround strategy can propel the stock by 32% to $97 says this analyst as Bill Ackman loads up on the shares.

President-elect Donald Trump has made many investors bullish on the market, which has been on an incredible two-year run. Many believe deregulation and corporate tax cuts could create powerful ...

Pershing Square CEO Bill Ackman questioned the upcoming closure of U.S. stock markets to honor former President Jimmy Carter, sparking debate about the intersection of commerce and presidential ...

Federal Home Loan Mortgage Corporation (Freddie Mac) may see big gains with privatization. Find out why FMCC stock could be a ...

Bill Ackman’s Pershing Square Capital Management (PSCM) is closing out an investment fund that held a stake in Universal ...

Billionaire hedge fund manager Bill Ackman said the common shares of government sponsored enterprises Fannie Mae (FNMA) and ...