The Rydex S&P Equal Weight Energy ETF (Ticker: RYE) seeks investment results that correspond generally to the performance, before fees and expenses, of the S&P Equal Weight Energy Index. The Energy Sector Index represents the energy portion of the S&P 500 Total Market Index. It includes companies from the following industries: oil, gas & consumable fuels and energy equipment & services. The index gives all S&P Energy stocks an equal weighting. It's rebalanced every quarter to maintain its equal weight strategy.