Invesco S&P 500 Equal Weight Consumer Staples ETF (RSPS US) – Portfolio Construction MethodologyThe underlying S&P 500 Equal Weight Consumer Staples Index delivers sector-pure, equally weighted exposure to S&P 500 constituents classified in the consumer staples sector under GICS. The parent S&P 500 universe consists of 500 leading U.S.-domiciled, U.S.-listed large-cap companies, typically covering about 80% of U.S. equity market cap, selected by an index committee using float-adjusted size, liquidity, free- ...