Call them the "Bickering Billionaires," two financial titans who squared off in a breathtaking, unforgettable smackdown Friday on CNBC.
Bill Ackman, the head of Pershing Square Capital Management and its $12 billion in assets, squared off against Carl Icahn, the fellow activist investor and one of the richest men in America with an estimated fortune of nearly $15 billion.
The debate revolved around charges and countercharges, with Icahn calling Ackman dishonest and "a major loser," while Ackman countered that Icahn is a bully "not used to someone standing up to him." (Read more below the video.)
Traders at the New York Stock Exchanged punctuated the air with "oohs" and "aahs" during the arguing, while social networks lit up, with financial journalists and market watchers tweeting and posting as fast as their fingers could type. (Read More: Ackman: Icahn Wanted to Be My Friend, I Said No)
The setting was during the final half-hour of CNBC's "Fast Money Halftime Report" with Scott Wapner, who found himself as much of the story as the two participants.
Icahn repeatedly berated Wapner, saying he was the one being bullied and on several occasions used the word "bullsh--" to describe his feelings about the on-air forum.
"I've really sort of had it with this Ackman guy," Icahn said early on.
"Carl, you think I want to you invest with you?" Ackman charged later.
"I wouldn't invest with you if you were the last man on Earth!" Icahn bellowed in an exchange typical of the show's tenor.
At the core of the dispute was Icahn's furor with Ackman over the latter's short position on Herbalife, the nutritional supplement and dietary product company that Ackman has called a pyramid scheme.
In turn, Ackman released a statement Thursday that recalled a legal dispute between the two parties 10 years ago the resulted in Icahn having to pay Ackman's investors $4.5 million plus interest.
While each combatant scored style points during the battle, if the winner was to be declared from the performance of Herbalife, Icahn scored a clear victory.
The company's shares surged as much as $2.15 in the half-hour melee, though gains cooled afterwards.
Nearly as importantly, it was great theater.
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