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 11 July 2026

Blog+More

Steven Shavell presents his economic analysis of law in terms of the economic outcomes of both legal doctrines and institutions.

Jacob Miramar

2023-08-21 12:25:00 Monday ET

Steven Shavell presents his economic analysis of law in terms of the economic outcomes of both legal doctrines and institutions.

Steven Shavell presents his economic analysis of law in terms of the economic outcomes of both legal doctrines and institutions. Steven Shavell (2004)

+See More

Treasury Secretary Steve Mnuchin indicates that the Trump team puts the trade war with China on hold.

Olivia London

2018-05-19 09:29:00 Saturday ET

Treasury Secretary Steve Mnuchin indicates that the Trump team puts the trade war with China on hold.

Treasury Secretary Steve Mnuchin indicates that the Trump team puts the trade war with China on hold. The interim suspension of U.S. tariffs should offer in

+See More

The new Fed chairman Jerome Powell faces a new challenge in the form of core CPI rate hikes toward 1.8%-2.1%.

Laura Hermes

2018-02-07 06:38:00 Wednesday ET

The new Fed chairman Jerome Powell faces a new challenge in the form of core CPI rate hikes toward 1.8%-2.1%.

The new Fed chairman Jerome Powell faces a new challenge in the form of both core CPI and CPI inflation rate hikes toward 1.8%-2.1% year-over-year with stro

+See More

President Trump picks David Malpass to run the World Bank to curb international multilateralism.

Rose Prince

2019-02-07 07:25:00 Thursday ET

President Trump picks David Malpass to run the World Bank to curb international multilateralism.

President Trump picks David Malpass to run the World Bank to curb international multilateralism. The Trump administration seems to prefer bilateral negotiat

+See More

The Trump $1.5 trillion hefty tax cuts and $1 trillion infrastructure expenditures may speed up the Federal Reserve interest rate hike.

Joseph Corr

2018-03-15 07:41:00 Thursday ET

The Trump $1.5 trillion hefty tax cuts and $1 trillion infrastructure expenditures may speed up the Federal Reserve interest rate hike.

The Trump administration's $1.5 trillion hefty tax cuts and $1 trillion infrastructure expenditures may speed up the Federal Reserve interest rate hike

+See More

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

+See More