Launched on 04/15/2015, the SPDR MSCI USA StrategicFactors ETF (QUS) is a smart beta exchange traded fund offering broad exposure to the Style Box - Large Cap Blend category of the market.What Are Smart Beta ETFs?The ETF industry has long been dominated by products based on market cap weighted indexes, a strategy created to reflect the market or a particular market segment.A good option for investors who believe in market efficiency, market cap weighted indexes offer a low-cost, convenient, and transparent ...