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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 3 October 2026

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Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2022.

Peter Prince

2022-02-02 10:33:00 Wednesday ET

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2022.

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2022. As of early-January 2023, the U.S. Patent and Trademark O

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The Chinese Xi administration may choose to leverage its state dominance of rare-earth elements to better balance the current Sino-U.S. trade war.

Dan Rochefort

2019-06-13 10:26:00 Thursday ET

The Chinese Xi administration may choose to leverage its state dominance of rare-earth elements to better balance the current Sino-U.S. trade war.

The Chinese Xi administration may choose to leverage its state dominance of rare-earth elements to better balance the current Sino-U.S. trade war. In recent

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Tech titans from Apple and Amazon to Microsoft and Google can benefit from the G.O.P. tax reform.

James Campbell

2017-12-07 08:31:00 Thursday ET

Tech titans from Apple and Amazon to Microsoft and Google can benefit from the G.O.P. tax reform.

Large multinational tech firms such as Facebook, Apple, Microsoft, Google, and Amazon can benefit much from the G.O.P. tax reform. A recent stock research r

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Daniel Goleman explains why great mental focus serves as a vital mainstream driver of personal growth, success, virtue, happiness, and fulfillment in life, business, innovation, and entrepreneurship.

Jonah Whanau

2025-06-28 10:39:00 Saturday ET

Daniel Goleman explains why great mental focus serves as a vital mainstream driver of personal growth, success, virtue, happiness, and fulfillment in life, business, innovation, and entrepreneurship.

Former New York Times science author and Harvard psychologist Daniel Goleman explains why great mental focus serves as a vital mainstream driver of personal

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A Florida fintech group Fidelity Information Services initiates the largest acquisition of the e-commerce payments processor Worldpay.

Olivia London

2019-04-03 11:35:00 Wednesday ET

A Florida fintech group Fidelity Information Services initiates the largest acquisition of the e-commerce payments processor Worldpay.

A Florida fintech group Fidelity Information Services initiates the largest $43 billion acquisition of the e-commerce payments processor Worldpay. Fidelity

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U.S. regulatory agencies may consider broader economic issues in their antitrust probe into Amazon, Apple, Facebook, and Google.

Joseph Corr

2019-07-03 11:35:00 Wednesday ET

U.S. regulatory agencies may consider broader economic issues in their antitrust probe into Amazon, Apple, Facebook, and Google.

U.S. regulatory agencies may consider broader economic issues in their antitrust probe into tech titans such as Amazon, Apple, Facebook, and Google etc. Hou

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