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 1 August 2026

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Fed Chair Jerome Powell sees a remarkably positive outlook for the U.S. economy in early-October 2018.

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2018-10-03 11:37:00 Wednesday ET

Fed Chair Jerome Powell sees a remarkably positive outlook for the U.S. economy in early-October 2018.

Fed Chair Jerome Powell sees a remarkably positive outlook for the U.S. economy right after the recent interest rate hike as of September 2018. He humbly su

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President Trump escalates the current Sino-American trade war by imposing 25% tariffs on $200 billion Chinese imports.

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2018-08-03 07:33:00 Friday ET

President Trump escalates the current Sino-American trade war by imposing 25% tariffs on $200 billion Chinese imports.

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Buffett discusses Berkshire's cash ambition, its reinsurance business, and his succession plan.

Becky Berkman

2018-02-23 09:35:00 Friday ET

Buffett discusses Berkshire's cash ambition, its reinsurance business, and his succession plan.

Warren Buffett releases his annual letter to Berkshire Hathaway shareholders as of February 2018. Buffett discusses Berkshire's core cash ambition, its

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The U.S. bank oligarchy has become bigger, more profitable, and more resistant to public regulation after the global financial crisis. Simon Johnson and

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Platforms benefit from positive network effects, scale economies, and information cascades.

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2019-07-25 16:42:00 Thursday ET

Platforms benefit from positive network effects, scale economies, and information cascades.

Platforms benefit from positive network effects, scale economies, and information cascades. There are at least 2 major types of highly valuable platforms: i

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