CNBC's Bob Pisani spoke with Gerard O’Reilly, Co-CEO and Chief Investment Officer of Dimensional Fund Advisors along with Dave Nadig, Financial Futurist at Vetta-Fi – formerly ETF Trends. They discussed how to navigate the market turmoil and where some ETFs investors can turn to weather the storm. They also discussed the perils of market timing and what history tells us about investment returns after previous sharp downturns. In the ‘Markets 102’ portion of the podcast, Bob continues the conversation with Dave Nadig from VettaFi.