CARL ICAHN

Icahn became Family Dollar's largest shareholder in June, when he disclosed a 9.4 percent stake in the struggling retailer.

A spokeswoman said eBay is examining ways to "maximize" value, and strategies could include dropping PayPal.

"Both Dollar General and Dollar Tree have some capacity to go a little bit higher with the offer price," said Joseph Feldman, analyst at Telsey Advisory Group.

Microsoft Corporation shares fell over 1 percent on Monday after a report said the Chinese government made a surprise visit to its offices.

Dollar stores have struggled in a weak U.S. economy.

The latest development marks the second time that efforts to sell Telesat have failed.

Activist hedge fund manager and outspoken critic Bill Ackman said Monday he predicts Herbalife's behavior will lead to arrests.

The retailer's stock spiked 9 percent after Icahn made his investment public.

Walters reportedly met Icahn between 1998 and 2008 at a time when Icahn Enterprises owned a casino and hotel in Las Vegas.

The 77-year-old billionaire, who owns more than 2 percent of eBay, accused eBay's management and board of several lapses of judgment.

Activist campaigns targeting corporations have also been on the rise, according to Goldman Sachs analysts.

Activist-investor Carl Icahn spurs interest in the e-commerce giant, Apple and other high-profile plays.

In an interview with Fox News, the billionaire investor is calling for tougher regulation of Wall Street.

While Carl Icahn was one of the biggest proponents of the plan, he termed it "bailing with a leaky bucket" in a letter to shareholders.

Young Wall Street bankers have grown disenchanted with their careers, and their stories are told in Kevin Roose's new book, "Young Money."

Apple Inc. shares plunged over 5 percent on Monday after it reported first-quarter earnings of $13.1 billion on sales of $57.59 billion.

The activist investor upped his AAPL position and is rallying shareholders for a $50B buyback.

A U.S. crude oil transport boom means big money for rail car manufacturers – and billionaire investors have already placed their bets.

Carl Icahn's Investment In Netflix returned a tidy 457 percent in just over a year. Is his Apple bet set to pay off as well?

Microsoft’s Bill Gates, Google's Dream Team of Page and Brin, and Amazon's Bezos topped this year’s list of highest-earning billionaires.

Apple's share price is flagging, and Mad Money's Jim Cramer doesn't think a share buyback will necessarily do the trick.