Einhorn on Cigna, Lululemon

12:00 PM ET Tue, 2 Oct 2012

CNBC's Kate Kelly gets exclusive comments from David Einhorn, president of Greenlight Capital on Cigna and Lululemon. Meanwhile the SEC tackles high frequency trading, reports CNBC's Eamon Javers. And Mark Cuban, who purchased the Dallas Mavericks in 2000, says there's "absolutely" no value to high-frequency trading.