Mythbuster: Why the oldest, biggest ETF isn’t always best

The oldest and biggest ETFs are not necessarily the best. Here's why. With CNBC's Bob Pisani, CFRA's Todd Rosenbluth, and John Davi Astoria Portfolio Advisors.

About CNBC: From 'Wall Street' to 'Main Street' to award winning original documentaries and Reality TV series, CNBC has you covered. Experience special sneak peeks of your favorite shows, exclusive video and more.

Connect with CNBC News Online

#CNBC