CARL ICAHN

The activist investor tweeted that he pushed CEO Tim Cook on the massive buyback program at dinner last night.

Herbalife says the hedge fund manager has hired a PR firm to, in effect, run down the value of the nutritional supplement company.

A Delaware court refused to fast-track Carl Icahn’s lawsuit against Dell Inc. for accepting Michael Dell’s buyout offer.

Investor Carl Icahn has taken a large position in Apple's stock and looks set to pressure the company for more share buybacks.

Icahn, who owns about 9 percent of Dell shares, has said that Michael Dell's buyout bid undervalues the company.

CEO Michael Dell could pay a special extra dividend of 13 cents per share to sweeten his existing $13.75-per-share offer.

Michael Dell attached a special shareholder voting provision to his offer, due to expire on Wednesday evening.

Some shareholders are unconvinced by the $13.65-per-share bid. Would $14 per share be enough?

The proxy advisory firm is reportedly in support of a deal offering $13.56 a share for Dell, valuing the computer-maker at $24.4B.

A sweeping majority of Transocean shareholders voted down Icahn's proposal for a $4 a share dividend and voted out chairman Michael Talbert.

One of the more interesting battles going on this proxy season pits the legendary activist investor against the Swiss oil and gas driller.

According to a Blackstone letter, a large drop in Dell's PC shipments and its financial profile prompted the withdrawal.

April marks the ramp-up of proxy season, when corporate top brass face-off with shareholders trying to instill changes.

BGC Partners, Nuance Communications, Urban Outfitters, Astex and BioMarin prevailed in the Nasdaq post-market trading Monday.

Array Biopharma, Dell, ARM, Sprint Nextel, Barclays, Freeport-McMoRan, prevailed in the pre-market trading Monday.

Bids from rival groups could make a deal for Dell all the sweeter for current shareholders in the coming week.

The pair signed a confidentialty agreement - days after the activist-investor said he would push to replace the pc maker’s board.

Herbalife Ltd, Delta Air Lines, Zynga, Kinross Gold, Research In Motion, Transocean, Kosmos Energy and France Telecom SA are among the companies whose shares are moving in pre-market trading Friday.

The top after-market NYSE gainers Thursday were Herbalife Ltd, Ellie Mae, Nu Skin Enterprises, Calpine Corp and Just Energy Group. The top after-market NYSE losers were Active Network, Agilent Technologies, B&G Foods, On Assignment and Key Energy Services.

Billionaire investors Bill Ackman and Carl Icahn renewed their 10-year-old feud, this time on live TV.

WisdomTree India Earnings Fund, Transocean, Allscripts Healthcare Solutions Inc, Express, Portugal Telecom, Apple Inc, Cirrus Logic and Herbalife Ltd are among the companies whose shares are moving in the pre-market trading Monday.