JPMorgan BetaBuilders U.S. Equity ETF(AMEX:BBUS)

BBUS targets the top 85% of stocks by market cap on the US equity market across various sectors. The fund includes large- and midcap. The equity securities can include common stock, preferred stock, and REITs. As a part of the BetaBuilders suite, BBUS provides cheap, plain-vanilla exposure to US equities excluding small cap firms and can be used as a core holding or as a compliment to BBMC or BBIN. The fund may invest up to 20% in futures to more closely track the index. The index is rebalanced quarterly.