A Republican congressman will pressure the Securities and Exchange Commission for reforms after Bill Ackman's efforts to take over Allergan.» Read More
Pershing Square on Friday released a short, scathing documentary on Herbalife that detailed the stories of frustrated former distributors.
Mario Gabelli said the partnership of activist investor Bill Ackman and Valeant Pharmaceuticals to try to buy Allergan was unfair.
Happy Friday, which is, of course Jobs Friday. Seems like we just had one of these a month ago.
Bill Ackman and Carl Icahn, whose epic battle on CNBC stunned Wall Street, exchanged pleasantries last week and decided to forgive each other.
Herbalife rallied Monday after the company posted quarterly results that topped expectations. The company also said it is terminating its dividend.
Bill Ackman tells CNBC that his losses from betting against Herbalife have been "more than cut in half" based on the recent downturn of the company's stock.
Bill Ackman also tells CNBC that Allergan's poison-pill defense doesn't make his takeover bid more difficult.
Drugmakers eager to satisfy shareholders are wheeling, dealing, and in one case even making trades like a pro sports team looking to shake up its roster.
Hedge fund manager Bill Ackman promised to pay a disgruntled ex-Herbalife executive as much as $3.60 million over the next 10 years, a report said.
Virtually every Pershing Square Capital investment appears to have made money this year.
One of Valeant's top shareholders on Tuesday threw his support behind its proposed takeover bid for Botox-maker Allergan.
Happy Tuesday. Keep your eye on the prize and watch out for the activist investor looking to snag your Morning Six-Pack.
The bid for botox producer Allergan reveals the "legal scam" that the U.S. tax code has become, CNBC's Jim Cramer says.
Activist investor Bill Ackman is boosting his stake in both Fannie Mae and Freddie Mac to more than 11 percent in each.
Despite reports to the contrary, Bill Ackman is probably still in the red on Herbalife.
Herbalife said it would allow three more representatives of Carl Icahn to join its board, sending the company's shares up as much as 9 percent.
The rise and success of activist investors is changing the dynamic in the battle for corporate control, NYT reports.
Hedge fund manager Bill Ackman renewed his attack on Herbalife on Tuesday.
Carl Icahn digs in on his criticism of eBay's management and weighs in on Bill Ackman again.
Bill Ackman, who is betting $1.16 billion that Herbalife is a fraud, spent $264,000 in 2013 on lobbyists to press his case against the company.