Bloomberg View columnist Barry Ritholtz interviews Jim Ross, the executive vice president of State Street Global Advisors and chairman of global SPDR. He also serves as chairman of the board of SSGA Funds Management, and as chairman and chief executive officer of State Street Global Advisors Funds Distributors. In addition, he won the 2016 ETF Lifetime Achievement Award. Ross explains how SPY, the S&P 500 ETF offered by State Street, became one of the biggest exchange-traded funds. He also discusses the origin of the Spyders Gold Trust, which briefly was bigger than SPY.