Tom Lydon on 20 Years of ETFs

I do the “ETF of the Week” for MarketWatch every Thursday on Chuck Jaffe’s MoneyLife Show where I highlight big movers and disappointments within the exchange traded fund market. On Thursday, I highlighted the SPDR S&P 500 ETF (NYSEArca: SPY). As SPY turns 20 years old, the S&P 500 is...