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Nuveen CA Select Tax Free Income Port is a diversified closed-end management investment company. Its objective is to provide stable dividends exempt from both regular federal and California income taxes, consistent with the preservation of capital by investing in municipal obligations.
Smart Sand Inc. is a fully integrated frac sand company providing mine-to-well site proppant supply and logistics. It produces Northern White frac sand for enhanced hydrocarbon recovery in oil and gas wells. The company offers products like Smart System, SmartBelt, SmartDepot Silo, and SmartPath Loader. It is expanding into industrial markets, including glass, ceramics, and renewable energy, while its main revenue comes from sand sales and logistics.