Is Invesco Global Water ETF (PIO) a Strong ETF Right Now?

Making its debut on 06/13/2007, smart beta exchange traded fund Invesco Global Water ETF (PIO) provides investors broad exposure to the Industrials ETFs category of the market.What Are Smart Beta ETFs?The ETF industry has traditionally been dominated by products based on market capitalization weighted indexes that are designed to represent the market or a particular segment of the market.Investors who believe in market efficiency should consider market cap indexes, as they replicate market returns in a low- ...