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Nuveen Select Tax Free Income Portfolio is a closed-end management investment company. Its investment objective is to provide current income exempt from regular federal income tax, consistent with preservation of capital. The fund invests a majority of its assets in municipal securities and other related investments, the income from which is exempt from regular federal income tax and federal alternative minimum tax.
Nabors Industries Ltd owns and operates land-based drilling rig fleets and is a provider of offshore platform rigs in the United States and international markets. It also provides performance tools, directional drilling services, tubular running services, and technologies. The company has four reportable segments: U.S. Drilling, International Drilling, Drilling Solutions, and Rig Technologies. The key revenue of the company is generated from International Drilling.