Berkshire Hathaway Inc. (NYSE:BRK.B)

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Berkshire Hathaway is a holding company, which owns subsidiaries in insurance, rail roads, utilities, manufacturing services, retail and home building. The most important of these are insurance businesses conducted on both a primary basis and insurance basis, a freight rail transportation business and a group of utility and energy generation and distribution businesses. It has four major operating sectors - The Insurance group (includes GEICO, Government Employees Insurance Company writes private passenger automobile insurance); General Re (conducts reinsurance business, offering property and casualty, life and health coverage to clients worldwide); Berkshire Hathaway Reinsurance Group (underwrites excess-of-loss reinsurance and quota-share coverage for insurers and reinsurers globally); Berkshire Hathaway Primary Group (comprises a wide variety of independently-managed insurance businesses that principally write liability coverage for commercial accounts)....

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Here we provide our AYA proprietary alpha stock signals for all premium members on our AYA fintech network platform. Specifically, a high Fama-French multi-factor dynamic conditional alpha suggests that the stock is likely to consistently outperform the broader stock market benchmarks such as S&P 500, Dow Jones, Nasdaq, Russell 3000, MSCI USA, and MSCI World etc. Since March 2023, our proprietary alpha stock signals retain U.S. Patent and Trademark Office (USPTO) fintech patent protection, approval, and accreditation for 20 years. Our homepage and blog articles provide more details on this proprietary alpha stock market investment model with robust long-term historical backtest evidence.

Sharpe-Lintner-Black CAPM alpha (Premium Members Only) Fama-French (1993) 3-factor alpha (Premium Members Only) Fama-French-Carhart 4-factor alpha (Premium Members Only) Fama-French (2015) 5-factor alpha (Premium Members Only) Fama-French-Carhart 6-factor alpha (Premium Members Only) Dynamic conditional 6-factor alpha (Premium Members Only) Last update: Saturday 26 September 2026

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President Trump ramps up 25% tariffs on $200 billion Chinese imports soon after China backtracks on the Sino-U.S. trade agreement.

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2019-05-09 10:28:00 Thursday ET

President Trump ramps up 25% tariffs on $200 billion Chinese imports soon after China backtracks on the Sino-U.S. trade agreement.

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New York Fed CEO John Williams sees no need to raise the interest rate unless economic growth or inflation rises to a high gear. After raising the interest

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CNBC news anchor Becky Quick interviews Warren Buffett in light of the recent stock market gyrations and movements.

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China poses new economic, technological, and military threats to the U.S. and many western allies.

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China poses new economic, technological, and military threats to the U.S. and many western allies. In the U.S. government assessment, China poses new eco

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Warren Buffett points out that it is important to invest in oneself with better interpersonal communication.

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Warren Buffett points out that it is important to invest in oneself with better interpersonal communication.

Warren Buffett points out that it is important to invest in oneself. Learning about oneself empowers him or her to lead a meaningful life. This valuable inv

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