Energy
ETFs: Energy Select Sector SPDR (NYSEArca: XLE), Vanguard Energy ETF (NYSEArca: VDE) and the Fidelity MSCI Energy Index ETF (NYSEArca: FENY).
Average weight to Exxon Mobil (NYSE: XOM): 19.2%.
Better XLE or Exxon: XLE by a significant margin.