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Amprius Technologies Inc is engaged in the production of silicon anodes for high-energy-density lithium-ion batteries. The company develops, manufactures and markets lithium-ion batteries for mobility applications, including the aviation, electric vehicle (EV) and light electric vehicle (LEV) industries. The company's batteries are used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites.
Nuveen Select Maturities Municipal Fund is a diversified closed-end management investment company. Its primary investment objective is to provide current income exempt from regular federal income tax, consistent with the preservation of capital. Its secondary investment objective is to enhance portfolio value relative to the municipal bond market through investments in tax-exempt municipal obligations that are underrated or undervalued, or that represent municipal market sectors that are undervalued.