Broadcom is one of the largest semiconductor companies in the world and has also expanded into infrastructure software. Its semiconductors primarily serve computing and networking, with custom AI accelerators now accounting for the bulk of the business. It is primarily a fabless designer, but holds some manufacturing in-house, such as for its best-of-breed film bulk acoustic resonator filters that sell into the Apple iPhone. In software, it sells virtualization, infrastructure, and security software to large enterprises, financial institutions, and governments. Broadcom is the product of consolidation. Its businesses are an amalgamation of former companies like legacy Broadcom and Avago Technologies in chips, as well as VMware, Brocade, CA Technologies, and Symantec in software.

The major stock indices are higher at midday on news that the U.S. Treasury Department has jumped in to help the bond market. Meanwhile crude oil is climbing again and is over $85 per barrel as the stalemate in the Middle East drags on. The yield on the 10-year note is down six basis points at 4.65%.

Berkshire Hathaway is a holding company with subsidiaries in a diverse range of industries, including insurance, railroads, utilities, energy, finance, manufacturing, and retailing. Its major subsidiaries include GEICO, Burlington Northern Santa Fe, Precision Castparts, and McLane Company. As of September 30, 2025, Berkshire also had about $263 billion of equity investments, including significant stakes in Apple Inc., Bank of America, Alphabet, Coca-Cola and American Express. At the end of 2025, the company and its subsidiaries have around 388,000 employees.

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. Berkshire generated close to $371.4 billion in operating revenue in during 2025.