The Bill and Melinda Gates foundation increased its holdings in Waste Management, Coca Cola, McDonald's and Berkshire Hathaway Class B in the third quarter, causing the total value of the fund to rise by about $2.6 billion, according to an SEC filing.

Billionaire investor Carl Icahn Tuesday offered CIT Group's small bondholders protection of the value of their debt if these investors support his effort to block the lender's reorganization plan.

Activist investor Carl Icahn is resigning from Yahoo's board of directors because he no longer has enough time to devote to the Internet company.

There is a real risk of a double-dip recession and the market is acting in a "schizophrenic" way, which could cause a "bloodbath" for investors, billionaire investor Carl Icahn told CNBC Friday.

Initial bids for Qwest Communications' long-distance business are below the $2 billion to $3 billion the telecommunications company sought, The Wall Street Journal reported Thursday.

Get ready folks: America is about to own a car company. As of Monday, we the taxpayers will own more than 70 percent of GM. Whether the company will be formally renamed Government Motors remains to be seen. But that’s what it will be.