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 28 February 2026

Blog+More

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 Texas Instruments (U.S. stock symbol: $TXN).

Monica McNeil

2025-10-13 12:32:00 Monday 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 Texas Instruments (U.S. stock symbol: $TXN).

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

+See More

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 Palantir (U.S. stock symbol: $PLTR).

Olivia London

2025-10-04 13:37:00 Saturday 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 Palantir (U.S. stock symbol: $PLTR).

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

+See More

White House economic advisor Gary Cohn resigns due to his opposition to President Trump's protectionist tariff stance.

Peter Prince

2018-03-02 12:34:00 Friday ET

White House economic advisor Gary Cohn resigns due to his opposition to President Trump's protectionist tariff stance.

White House top economic advisor Gary Cohn resigns due to his opposition to President Trump's recent protectionist decision on steel and aluminum tariff

+See More

Personal finance and investment author Thomas Corley studies and shares the rich habits of self-made millionaires.

Charlene Vos

2018-03-23 08:26:00 Friday ET

Personal finance and investment author Thomas Corley studies and shares the rich habits of self-made millionaires.

Personal finance and investment author Thomas Corley studies and shares the rich habits of self-made millionaires. Corley has spent 5 years studying the dai

+See More

Oxford macro professor Stephen Nickell and his co-authors delve into the trade-off between inflation and unemployment in the dual mandate of price stability and maximum employment.

Apple Boston

2023-08-07 12:29:00 Monday ET

Oxford macro professor Stephen Nickell and his co-authors delve into the trade-off between inflation and unemployment in the dual mandate of price stability and maximum employment.

Oxford macro professor Stephen Nickell and his co-authors delve into the trade-off between inflation and unemployment in the dual mandate of price stability

+See More

Facebook, Twitter, and Google executives explain the scope of Russian interference in the U.S. 2016 presidential election.

Apple Boston

2017-09-19 05:34:00 Tuesday ET

Facebook, Twitter, and Google executives explain the scope of Russian interference in the U.S. 2016 presidential election.

Facebook, Twitter, and Google executives head before the Senate Judiciary Committee to explain the scope of Russian interference in the U.S. presidential el

+See More