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 3 January 2026

Blog+More

Leon Cooperman points out that the current Trump stock market rally now approaches normalization.

Amy Hamilton

2017-10-27 06:35:00 Friday ET

Leon Cooperman points out that the current Trump stock market rally now approaches normalization.

Leon Cooperman, Chairman and CEO of Omega Advisors, points out that the current Trump stock market rally now approaches normalization. The U.S. stock market

+See More

Former Vice President Joe Biden enters the next U.S. presidential race with many moderate policy proposals.

Monica McNeil

2019-05-05 10:34:00 Sunday ET

Former Vice President Joe Biden enters the next U.S. presidential race with many moderate policy proposals.

Former Vice President Joe Biden enters the next U.S. presidential race with many moderate-to-progressive policy proposals. At the age of 76, Biden stands ou

+See More

Daron Acemoglu and James Robinson show that good inclusive institutions contribute to better long-run economic growth.

Monica McNeil

2023-06-14 10:26:00 Wednesday ET

Daron Acemoglu and James Robinson show that good inclusive institutions contribute to better long-run economic growth.

Daron Acemoglu and James Robinson show that good inclusive institutions contribute to better long-run economic growth. Daron Acemoglu and James Robinson

+See More

AYA free finbuzz analytic report on the U.S. top tech titans FAMGA Spring-Summer 2020

Chanel Holden

2020-05-05 09:31:00 Tuesday ET

AYA free finbuzz analytic report on the U.S. top tech titans FAMGA Spring-Summer 2020

Our fintech finbuzz analytic report shines fresh light on the fundamental prospects of U.S. tech titans Facebook, Apple, Microsoft, Google, and Amazon (F.A.

+See More

President Trump may reluctantly sign the congressional border wall deal in order to avert another U.S. government shutdown.

Apple Boston

2019-02-13 11:00:00 Wednesday ET

President Trump may reluctantly sign the congressional border wall deal in order to avert another U.S. government shutdown.

President Trump may reluctantly sign the congressional border wall deal in order to avert another U.S. government shutdown. With his executive power to decl

+See More

Mark Granovetter follows the key principles of modern economic sociology to analyze social relations and economic phenomena.

Charlene Vos

2023-02-21 08:27:00 Tuesday ET

Mark Granovetter follows the key principles of modern economic sociology to analyze social relations and economic phenomena.

Mark Granovetter follows the key principles of modern economic sociology to analyze social relations and economic phenomena. Mark Granovetter (2017) &

+See More