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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)....

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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 30 May 2026

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Federal Reserve reduces the interest rate by another quarter point to the target range of 1.75%-2% in September 2019.

John Fourier

2019-10-07 12:35:00 Monday ET

Federal Reserve reduces the interest rate by another quarter point to the target range of 1.75%-2% in September 2019.

Federal Reserve reduces the interest rate by another key quarter point to the target range of 1.75%-2% in September 2019. In accordance with the Federal Res

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Peter Thiel shares his money views of President Trump, Facebook, Bitcoin, global finance, and trade.

Apple Boston

2018-03-05 07:34:00 Monday ET

Peter Thiel shares his money views of President Trump, Facebook, Bitcoin, global finance, and trade.

Peter Thiel shares his money views of President Trump, Facebook, Bitcoin, global finance, and trade etc. As an early technology adopter, Thiel invests in Fa

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Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Alphabet Google (U.S. stock symbol: $GOOG).

Becky Berkman

2025-09-18 08:03:32 Thursday ET

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fundamental analysis of Alphabet Google (U.S. stock symbol: $GOOG).

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fund

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It can be practical for the U.S. to impose the 2% Warren wealth tax on the rich.

Dan Rochefort

2019-02-03 13:39:00 Sunday ET

It can be practical for the U.S. to impose the 2% Warren wealth tax on the rich.

It can be practical for the U.S. to impose the 2% wealth tax on the rich. Democratic Senator Elizabeth Warren proposes a 2% wealth tax on the richest Americ

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President Trump seeks to honor his campaign promise of lower U.S. medical costs by forcing higher big-pharma prices in foreign countries.

Charlene Vos

2018-05-07 07:32:00 Monday ET

President Trump seeks to honor his campaign promise of lower U.S. medical costs by forcing higher big-pharma prices in foreign countries.

President Trump seeks to honor his campaign promise of lower U.S. medical costs by forcing higher big-pharma prices in foreign countries such as Canada, Bri

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Hong Kong billionaire Li Ka-Shing announces his retirement in March 2018 with an incredible rags-to-riches life story.

John Fourier

2018-03-11 08:27:00 Sunday ET

Hong Kong billionaire Li Ka-Shing announces his retirement in March 2018 with an incredible rags-to-riches life story.

At 89 years old, Hong Kong billionaire Li Ka-Shing announces his retirement in March 2018. With a personal net worth of $35 billion, Li has an incredible ra

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