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Ballard Power Systems Inc is a world leader in proton-exchange membrane fuel cells, power system development, and commercialization. The company's principal business is the design, development, manufacture, sale, and service of PEM fuel cell products for a variety of applications, focusing on power product markets of heavy-duty motive (bus, truck, rail, and marine applications), material handling, and stationary power generation. Sales are concentrated in the US, Europe, and China.
Guggenheim Taxable Municipal Managed Duration Trust is a diversified closed-end management investment company. Its investment objective is to provide current income with a secondary objective of long-term capital appreciation. Its products include Mutual funds, Unit investment trusts, Closed-end funds, Rydex funds, Credit income fund and others.