The First Trust Materials AlphaDEX ETF (FXZ) was launched on 05/08/2007, and is a smart beta exchange traded fund designed to offer broad exposure to the Materials ETFs category of the market.What Are Smart Beta ETFs?Products that are based on market cap weighted indexes, which are strategies designed to reflect a specific market segment or the market as a whole, have traditionally dominated the ETF industry.Market cap weighted indexes work great for investors who believe in market efficiency. They provide ...