ALPS Clean Energy ETF(AMEX:ACES)

ACES tracks a market-cap-weighted index of North American companies involved in the clean energy industry. The index provider targets companies that enable the evolution of a more sustainable energy sector, and includes activities such as renewable energy sources (solar, wind, hydropower, biofuels), clean technologies (electric vehicles, battery technology, fuel cells, smart grids), and any other emerging clean energy technology. All companies involved in clean energy businesses and listed in the US or Canada are eligible for inclusion. Constituents are market-cap-weighted, subject to a 5% cap on individual stocks. The underlying index undergoes a quarterly rebalance and reconstitution.