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United Airlines Holdings, Inc. (UAL), with a market cap of $26.3 billion, provides air transportation services in North America and globally. Founded in 1968, the Chicago, Illinois-based company transports people and cargo through its mainline and regional fleets.
Companies worth $10 billion or more are generally described as "large-cap stocks," and UAL, being one of the largest airline companies in the United States, fits this bill perfectly.