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 10 January 2026

Blog+More

The U.S. further derisks and decouples from China.

Peter Prince

2023-05-31 03:15:40 Wednesday ET

The U.S. further derisks and decouples from China.

The U.S. further derisks and decouples from China.   Why does the U.S. seek to further economically decouple from China? In recent times, th

+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

Volcker, Greenspan, Bernanke, and Yellen contribute to a Wall Street Journal op-ed on monetary policy independence.

Olivia London

2019-09-23 12:25:00 Monday ET

Volcker, Greenspan, Bernanke, and Yellen contribute to a Wall Street Journal op-ed on monetary policy independence.

Volcker, Greenspan, Bernanke, and Yellen contribute to a Wall Street Journal op-ed on monetary policy independence. These former Federal Reserve chiefs unit

+See More

The U.S. Treasury yield curve inverts for the first time since the Global Financial Crisis.

Apple Boston

2019-04-09 11:29:00 Tuesday ET

The U.S. Treasury yield curve inverts for the first time since the Global Financial Crisis.

The U.S. Treasury yield curve inverts for the first time since the Global Financial Crisis. The key term spread between the 10-year and 3-month U.S. Treasur

+See More

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2020.

Andy Yeh Alpha

2020-02-02 10:31:00 Sunday ET

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2020.

Our proprietary alpha investment model outperforms the major stock market benchmarks such as S&P 500, MSCI, Dow Jones, and Nasdaq. We implement

+See More

Global economic uncertainty now lurks in a thick layer of mystery.

Jonah Whanau

2019-03-01 13:36:00 Friday ET

Global economic uncertainty now lurks in a thick layer of mystery.

Global economic uncertainty now lurks in a thick layer of mystery. This uncertainty arises from Sino-U.S. trade tension, Brexit fallout, monetary policy nor

+See More