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)....

+See More


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 29 August 2026

Blog+More

AYA Analytica podcast provides fresh insights into the latest stock market news, economic trends, and investment portfolio strategies.

Andy Yeh Alpha

2019-02-28 20:44:00 Thursday ET

AYA Analytica podcast provides fresh insights into the latest stock market news, economic trends, and investment portfolio strategies.

AYA Analytica finbuzz podcast channel on YouTube February 2019 In this podcast, we discuss several topical issues as of February 2019: (1) our proprieta

+See More

Lean enterprises often try to incubate disruptive innovations with iterative continuous improvements and inventions over time.

Joseph Corr

2020-06-03 09:31:00 Wednesday ET

Lean enterprises often try to incubate disruptive innovations with iterative continuous improvements and inventions over time.

Lean enterprises often try to incubate disruptive innovations with iterative continuous improvements and inventions over time. Trevor Owens and Obie Fern

+See More

Calomiris and Haber delve into the comparative analysis of bank crises and politics in America, Britain, Canada, Mexico, and Brazil.

Dan Rochefort

2023-04-14 13:32:00 Friday ET

Calomiris and Haber delve into the comparative analysis of bank crises and politics in America, Britain, Canada, Mexico, and Brazil.

Calomiris and Haber delve into the comparative analysis of bank crises and politics in America, Britain, Canada, Mexico, and Brazil. Charles Calomiris an

+See More

Angus Deaton analyzes the correlation between health and wealth in light of the economic origins of inequality worldwide.

James Campbell

2023-04-21 12:39:00 Friday ET

Angus Deaton analyzes the correlation between health and wealth in light of the economic origins of inequality worldwide.

Angus Deaton analyzes the correlation between health and wealth in light of the economic origins of inequality worldwide. Angus Deaton (2015)  

+See More

Better corporate governance through worldwide convergence toward Berle-Means stock ownership dispersion

Fiona Sydney

2023-12-05 09:25:00 Tuesday ET

Better corporate governance through worldwide convergence toward Berle-Means stock ownership dispersion

Better corporate ownership governance through worldwide convergence toward Berle-Means stock ownership dispersion   Abstract We design a model

+See More

President Trump criticizes the potential media merger between AT&T and Time Warner.

Chanel Holden

2017-11-05 09:45:00 Sunday ET

President Trump criticizes the potential media merger between AT&T and Time Warner.

President Trump criticizes the potential media merger between AT&T and Time Warner, the latter of which owns the anti-Trump media network CNN. President

+See More