SpaceX IPO to Be Crowded Trade: Dave Nadig

Dave Nadig, president and director of research at ETF.com, joins Katie Greifeld and Eric Balchunas on "Bloomberg ETF IQ." Investment bankers are hitting the road to raise more than $15 billion across initial public offerings in the coming weeks, nervously eyeing market volatility as a standoff with Iran threatens a fragile ceasefire. (Source: Bloomberg)