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AGM Group Holdings Inc is a technology company engaged in technology hardware research and development, manufacturing, assembly, and sales. Its core business segments include research and development of blockchain-oriented ASIC chips, production of high-end crypto miners for Bitcoin and other cryptocurrencies, and Fintech software services. The Company mainly derives revenue from the sales of cryptocurrency mining machines and standardized computing equipment.

Berkshire Hathaway is a holding company with a wide array of subsidiaries engaged in diverse activities. The firm's core business segment is insurance, run primarily through Geico, Berkshire Hathaway Reinsurance Group, and Berkshire Hathaway Primary Group. Berkshire has used the excess cash thrown off from its operations to acquire Burlington Northern Santa Fe (railroad), Berkshire Hathaway Energy (utilities and energy distributors), and the companies that make up its manufacturing, service, and retailing operations (which include Precision Castparts, Lubrizol, Clayton Homes, Marmon, and IMC/ISCAR). The conglomerate is unique in that it is run on a completely decentralized basis.