Running on empty? Energy is making up less and less of the S&P 500 By: MarketWatch September 04, 2019 at 12:11 PM EDT Energy is making up less and less of the broad stock index, but that means different things for different funds. Read More >> Related Stocks: Baker Hughes Ord Shs Cl A Exxon Mobil S&P 500 Growth Ishares ETF S&P 500 Pure Value Invesco ETF S&P 500 Value Ishares ETF SPDR S&P 500 ETF Trust Valero Energy