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Berkshire Hathaway Inc. (NYSE:BRK.B)

Real-time price： | Most recent change：0.00%

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 13 June 2026

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Our proprietary alpha investment model outperforms most stock market indexes from 2017 to 2026.

Olivia London

2026-02-02 12:30:00 Monday ET

Our proprietary alpha investment model outperforms most stock market indexes from 2017 to 2026.

With U.S. fintech patent approval, accreditation, and protection for 20 years, our proprietary alpha investment model outperforms most stock market indexes

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Self-Improvement Book Review: The 7 Habits of Highly Effective People by Stephen Covey.

Dan Rochefort

2026-05-01 11:26:00 Friday ET

Self-Improvement Book Review: The 7 Habits of Highly Effective People by Stephen Covey.

Stephen Covey describes the 7 key habits and life principles for us to better solve both personal problems and professional challenges. In a smarter way, we

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Harvard economic platform researcher Dipayan Ghosh proposes some alternative solutions to breaking up tech titans such as Facebook, Google, Apple, and Amazon.

Olivia London

2019-07-23 09:22:00 Tuesday ET

Harvard economic platform researcher Dipayan Ghosh proposes some alternative solutions to breaking up tech titans such as Facebook, Google, Apple, and Amazon.

Harvard economic platform researcher Dipayan Ghosh proposes some alternative solutions to breaking up tech titans such as Facebook, Google, Apple, and Amazo

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Trump administration imposes 20%-50% tariffs on Turkish imports due to a recent spat over the detention of an American pastor.

Apple Boston

2018-08-11 14:35:00 Saturday ET

Trump administration imposes 20%-50% tariffs on Turkish imports due to a recent spat over the detention of an American pastor.

The Trump administration imposes 20%-50% tariffs on Turkish imports due to a recent spat over the detention of an American pastor, Andrew Brunson, in Turkey

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The Economist interviews President Trump and spots the keyword *reciprocity* from trade to taxation.

Amy Hamilton

2017-07-01 08:40:00 Saturday ET

The Economist interviews President Trump and spots the keyword *reciprocity* from trade to taxation.

The Economist interviews President Donald Trump and spots the keyword *reciprocity* in many aspects of Trumponomics from trade and taxation to infrastructur

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Apple files an appeal to overturn the recent iPhone sales ban in China due to its patent infringement of Qualcomm proprietary technology.

Jonah Whanau

2018-12-17 08:43:00 Monday ET

Apple files an appeal to overturn the recent iPhone sales ban in China due to its patent infringement of Qualcomm proprietary technology.

Apple files an appeal to overturn the recent iPhone sales ban in China due to its patent infringement of Qualcomm proprietary technology. This recent ban of

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