Melissa Lee is the host of CNBC's “Fast Money” and “Options Action.”
Host, "Fast Money Halftime Report"
Guy Adami is a contributor on CNBC's "Fast Money." He also is managing director of stockMONSTER.com.
Karen Finerman is CEO of Metropolitan Capital Advisors Inc., a company she co-founded.
Najarian, the "Pit Boss," is cofounder of optionMONSTER.com, a news site for options traders.
Founder of EmergingMoney.com
Bill Ackman said Pershing Square's presentation of a Herbalife investigation will "expose incredible fraud."
Data appear to refute Janet Yellen's view on stock valuations, Mark Schoenbaum says.
News of Malaysian Air 17's crash in Eastern Ukraine sent a ripple effect through the markets, says "Fast Money" trader Jon Najarian.