Carl Icahn's Joke Tweet About The Ice Bucket Challenge Caused Herbalife To Spike

Shares of Herbalife surged after a Carl Icahn Tweet dissing an "Ice Bucket Challenge" request from Jefferies' CEO.

To Rich Handler, will get back to you shortly on #ALSChallenge, but right now too busy working on BIG deal with another investment banker

- Carl Icahn (@Carl_C_Icahn) August 27, 2014

Some folks reflexively thought that Icahn was referring to Herbalife when he said he was working on a "BIG deal."

Icahn owns a massive stake in Herbalife, the company that his long-time rival Bill Ackman is infamously short.

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