Carl Icahn boosts his stake in Herbalife to 15.55 percent, according to a regulatory filing.
Check out which companies are making headlines after the bell Thursday:
Legendary short seller James Chanos, Kynikos Associates, discusses here he sees opportunities in the markets.
A star-studded battle among hedge fund titans over the nutritional supplements company Herbalife became the talk of Wall Street when it erupted. But when the barbs eventually fall silent and the klieg lights dim, how will the Herbalife war end? And what truth will emerge? The New York Times reports.
Recent selling may have some thinking it's a bargain, but Fast Money trader Guy Adami cautions investors about JCPenney.
Carl Icahn is gearing up for another fight, saying Monday that Transocean's dividend payment recommendation of $2.25 a share is "too little, too late."
Stocks eased off their best levels but eked out a gain on the final trading day of February, with the Dow within striking distance of a new all-time closing high and the S&P 500 logging its fourth-consecutive month of gains.
Herbalife announced on Thursday that it has agreed to increase the size of its board to add two representatives of activist investor Carl Icahn.
Herbalife is announcing it is increasing the size of its board. Discussing what this means for Ackman and Icahn, with Tim Ramey, D.A. Davidson & Co. senior research analyst.
Herbalife is announcing it is increasing the size of its board, reports CNBC's Josh Lipton.
CNBC's Robert Frank and Courtney Reagan discuss recent situations where business became personal: the Bill Ackman-Carl Icahn feud and the battle over Martha Stewart products between JC Penney and Macy's.
Check out which companies are making headlines before the bell Monday:
CNBC's Scott Wapner reports one of Herbalife's biggest distributors is in question.
After Herbalife's earnings conference call, hedge fund manager Bill Ackman told CNBC that if the company is serious about transparency it should start answering some of his questions.
CNBC's Scott Wapner reports hedge fund manager Bill Ackman's first response to Herbalife's better than expected earnings.
Hain Celestial CEO Irwin Simon sided with Carl Icahn over Bill Ackman in a CNBC interview on Wednesday.
CNBC's Kate Kelly has the update from the company's conference call, on the heels of a healthy fourth quarter earnings beat on both the top and bottom line.
What should investors expect from the nutritional and weight-loss supplement seller? CNBC's Kate Kelly reports.
Some of the names on the move ahead of the open.
After a battle royale over Herbalife stock between titans Bill Ackman and Carl Icahn, the numbers are in: Herbalife's earnings and 2013 outlook topped forecasts.