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 19 September 2026

Blog+More

Former Fed Chair Paul Volcker releases his memoir, talks about American public governance, and worries about plutocracy in America.

Apple Boston

2018-10-23 12:36:00 Tuesday ET

Former Fed Chair Paul Volcker releases his memoir, talks about American public governance, and worries about plutocracy in America.

Former Fed Chair Paul Volcker releases his memoir, talks about American public governance, and worries about plutocracy in America. Volcker suggests that pu

+See More

Blackrock asset research director Andrew Ang shares his economic insights into fundamental factors for global asset management.

Apple Boston

2019-07-29 11:33:00 Monday ET

Blackrock asset research director Andrew Ang shares his economic insights into fundamental factors for global asset management.

Blackrock asset research director Andrew Ang shares his economic insights into fundamental factors for global asset management. As Ang indicates in an inter

+See More

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2023.

Daisy Harvey

2023-02-03 08:27:00 Friday ET

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2023.

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2023. Our proprietary alpha investment model outperforms the ma

+See More

Apple CEO Tim Cook maintains a frugal low-key lifestyle.

Jonah Whanau

2019-10-11 13:40:00 Friday ET

Apple CEO Tim Cook maintains a frugal low-key lifestyle.

Apple CEO Tim Cook maintains a frugal low-key lifestyle. With $625 million public wealth, Cook leads the $1 trillion tech titan Apple in the post-Jobs era.

+See More

Google CEO Eric Schmidt and his co-authors show the innovative corporate culture and mission of the Internet search tech titan.

Daisy Harvey

2020-03-12 09:32:00 Thursday ET

Google CEO Eric Schmidt and his co-authors show the innovative corporate culture and mission of the Internet search tech titan.

Google CEO Eric Schmidt and his co-authors show the innovative corporate culture and mission of the Internet search tech titan. Eric Schmidt, Jonathan Ro

+See More

Thomas Piketty connects the dots between economic growth and inequality worldwide with long-term global empirical evidence.

Chanel Holden

2023-05-28 10:24:00 Sunday ET

Thomas Piketty connects the dots between economic growth and inequality worldwide with long-term global empirical evidence.

Thomas Piketty connects the dots between economic growth and inequality worldwide with long-term global empirical evidence. Thomas Piketty (2017) &nbs

+See More