In this episode (aired on 5/5/19), host Ron DeLegge warns you about the hidden danger of so-called "zero fee" ETFs. Also up: Ron tells you about how to diversify away from single stock risk. Finally, Ron provides the latest year-to-date ETF performance numbers within key industry sectors and global markets. Check out Ron's classes @ etfguide.teachable.com and follow us on Twitter @ IndexShow