Les Funtleyder, Esquared Asset Management, discusses Carl Icahn's large position in Allergan and investing in biotech.
David Maris, Wells Fargo, discusses Carl Icahn's new stake in Allergan.
The activist investor expresses support and confidence in Allergan CEO Brent Saunders.
The activist investor also gives a pat on the back for Allergan's CEO.
CNBC's Dominic Chu reports that Allergan has issued a statement in response to Carl Icahn's investment in the company.
The Supreme Court rejected a union's appeal of a lower court's ruling that allowed Trump Taj Mahal casino to break its contract with union workers.
CNBC's David Faber reports that according to a number of headlines, Carl Icahn says he recently acquired a "large position" in Allergan.
A group of hedge funds have formed a new lobbying arm to promote the benefits of shareholder activism across the U.S. economy.
Corvex Management disclosed on Monday that it owns 9.9 percent of Pandora Media and urged the company to explore a sale.
Shares of Apple rose Monday as Warren Buffett's Berkshire Hathaway announced a new stake in the tech company, and CEO Tim Cook toured China.
Facebook's Mark Zuckerberg has made more than any other CEO based on his age and current net worth.
Carl Icahn, a vocal Donald Trump supporter, said Democratic hopeful Bernie Sanders may have a point about the U.S. income gap.
CNBC's John Harwood reports on billionaire investor Carl Icahn responding to remarks leveled at him by Presidential candidate Bernie Sanders.
Jim Cramer explained to investors why they should stick with a long-term strategy when it comes to Apple.
Jim Cramer explores the idea of time in investing, and how successful investors need to know their time frame for gain.
AIG missed estimates with first-quarter adjusted earnings of 65 cents per share, but continued to cut expenses.
Former Apple CEO John Sculley offered his take on the future of the company he helped Steve Jobs build.
Discussing whether the U.S. economy needs more fiscal stimulus with CNBC Senior Contributor Larry Kudlow, and Christian Weller of the Center for American Progress and University of Massachusetts Boston.
CNBC's Jim Cramer discusses conversations with Charif Souki, founder and former CEO of Cheniere Energy, and disagreements with Carl Icahn.
While Apple's sales slump in China is a short-term problem, the company's brewing battle with the Chinese government worries investors.