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Core Laboratories Inc provides reservoir description and production enhancement services for oil and gas exploration and production. It provides data and analytics to aid well operators in determining optimal methods for recovering, processing, and refining hydrocarbons from a well. It also manufactures the associated lab equipment for its services.
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.