Xerox Corp (NYSE: XRX) shares came under pressure after the biggest individual shareholder, Darwin Deason, preferred a lawsuit blocking the company from splitting into two public traded firms. He is said to be holding about 6.1 percent stake in the company.

Two of Bill Ackman’s most highly-publicized investments are having a tough day on Tuesday during a weak session for the market.

Following Sunday night’s presidential debate, billionaire Donald Trump supporter Carl Icahn announced that the Trump Taj Mahal in Atlantic City will be closing.

On the heels of its 30th anniversary, Oliver Stone's '80s cult classic film "Wall Street" defines an era and encapsulates the insider trading scandals and massive wealth produced during the decade. The film was both Charlie Sheen and Michael Douglas' coming out party, with Douglas' iconic Gordon Gekko character winning an Oscar for best actor and inspiring a generation of imitators.

Roughly a year has passed since Chipotle Mexican Grill, Inc. (NYSE: CMG)’s disastrous food contamination outbreaks. Unfortunately for investors, Chipotle’s revenue and share price are still significantly down from their pre-outbreak peaks.

Shares of Chipotle Mexican Grill, Inc. (NYSE: CMG) gained almost 6 percent Wednesday, after Bill Ackman’s Pershing Square disclosed a 9.9 percent stake in the restaurant operator.

Activist investor Bill Ackman disclosed a 9.9 percent stake in Chipotle Mexican Grill, Inc. (NYSE: CMG).

Even the best investors in the world sometimes make bad trades. The next time you’re kicking yourself about making a bad investment, try to remember that even these legendary investors whiff badly on occasion.

Chalk up another win for Carl Icahn in his highly-public and possibly personal beef with billionaire rival Bill Ackman.

Happy 19th birthday, Netflix, Inc. (NASDAQ: NFLX).

Here is a timeline of Netflix's history and some of its more notable events.

Carl Icahn may want to sell his winning stake in Herbalife Ltd. (NYSE: HLF) to fellow billionaire investor Bill Ackman, who made a losing $1 billion bet against the company in 2012.

The Wall Street Journal reported Friday that Carl Icahn tasked bankers at Jefferies with finding a buyer to sell part or all of his 18 percent stake in Herbalife Ltd. (NYSE: HLF)

Carl Icahn has been shopping around buyers for his stake in Herbalife Ltd. (NYSE: HLF), according to a report by The Wall Street Journal.

Herbalife Ltd. (NYSE: HLF) shares spiked higher Wednesday after the Benzinga Pro newswire reported that Carl Icahn is not selling his stake in the company, according to sources familiar with the matter.

Capital Group is one of the best-known mutual fund managers in the world, having delivered healthy returns for decades. However, over the past few years, the firm has been exploring new paths to increased profits, including the creation of a new stock exchange, the first one ever owned exclusively by a group of buy-side investors — Capital Group was the first of many.

Twitter Inc (NYSE: TWTR) can be an extremely useful and tradable tool for investors, but only if you follow the right people.

Here’s a look at 10 CEOs that have the potential for market-moving tweets.

1. Jack Dorsey - @jack 

Coattail investing is a simple concept: If a stock is worthy of Warren Buffett's attention and investment dollars, then surely its good enough for ordinary investors.

Mark Cuban took some exception to Carl Icahn's stance on the economy.

On July 31, Cuban endorsed Democratic nominee Hillary Clinton in her quest to win the 2016 Presidential election. He has since called out Trump several times, even calling him "bat s--t crazy."

Coattail investing is a simple strategy in which an investor constructs a portfolio in a way that mimics the portfolio of a hedge fund titan or Wall Street billionaire.

After all, if an investment is good enough for, say, Warren Buffett, then it is most likely good enough for the average investor.

Twitter Inc (NYSE: TWTR) can be an extremely useful and tradable tool for investors, but only if you follow the right people.

Here’s a look at 10 hedge fund managers that have the potential for market-moving tweets.

Chatter was passed around trading circles Thursday morning that billionaire investor Carl Icahn took a position in Wynn Resorts, Limited (NASDAQ: WYNN). Shares spiked just after 10:30 a.m. ET, hitting an intra-day high of $103.72. However, those rumors appear to be false.

On Tuesday, billionaire investor Carl Icahn discussed his political views at length with CNBC. Icahn believes the only hope for the U.S. economy is for Donald Trump to be elected president in November.

The rail sector is often ignored by investors given the complexity of the industry. However, this may prove to be a mistake, as the sector could offer attractive returns.

Loop Capital Markets initiated coverage of the rail sector On August 1 with a mostly Neutral stance. Analysts slapped Hold ratings on most names in the group except for one company given a Buy rating.

Canadian Pacific Railway Limited (USA) (NYSE: CP) announced on Wednesday that its largest shareholder, Bill Ackman's Pershing Square, sold its entire 9.8 million stake in the company after buying a stake in 2011 and running a proxy fight in 2012.

On Thursday morning’s PreMarket Prep, CNBC analyst and Pacific Square Research partner Herb Greenberg discussed Herbalife Ltd. (NYSE: HL

The feud between Herbalife Ltd. (NYSE: HLF) and activist investor Bill Ackman has presented itself with a clear winner and loser over the past few years, right?