Everyone Is Talking About Dan Loeb's Taunting Message To Bill Ackman On His Bloomberg Terminal

If you go to Loeb's profile and click to send him a message, you'll his MSG9 ("message 9") line, which is a message users can display only to people emailing them from their Bloomberg Terminal.

Here's what Loeb's message says:

"New HLF product: The Herbalife Enema, administered by Uncle Carl."

Bloomberg TV anchor Stephanie Ruhle pointed it out on Twitter.

Herbalife, a multi-level marketing firm that sells nutrition products, has been the focal point of an epic clash of hedge fund titans.

Herbalife is the stock that Bill Ackman, who runs $12 billion Pershing Square Capital Management, is famously shorting. Back in December, Ackman said he's shorting $1 billion worth of Herbalife stock because he believes the company is a "pyramid scheme."

Shortly after Ackman revealed his short, Loeb snapped up a sizeable long position, which he later exited with a profit.

Ackman's arch-nemesis Carl Icahn bought a massive stake in Herbalife and said that Ackman would be the victim of the "mother of all short squeezes."

Here's how the stock has performed since December 18, the trading session before Ackman confirmed his short: