FIW
First Trust Water ETF
stock NYSE ETF

The investment seeks investment results that correspond generally to the price and yield (before the fund's fees and expenses) of an equity index called the ISE Clean Edge Water Index. The fund will normally invest at least 90% of its net assets (including investment borrowings) in common stocks that comprise the index. The index is a modified market-capitalization weighted portfolio of 36 stocks of companies as of March 29, 2018 that derive a substantial portion of their revenues from the potable and wastewater industries which are generally industrial and utilities companies.