Guggenheim Introduces Equal-Weight S&P 100 ETF By: Benzinga via Benzinga June 30, 2016 at 15:01 PM EDT Guggenheim Investments, the eighth-largest U.S. issuer of exchange-traded funds and one of the pioneers of bringing the equal-weight ... Read More >> Related Stocks: Amazon.com American Express FedEx Corp Pfizer S&P 100 Ishares ETF