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 18 April 2026

Blog+More

Fed Chair Janet Yellen confirms with her successor Jerome Powell the final interest rate hike in December 2017.

Joseph Corr

2017-12-14 12:41:00 Thursday ET

Fed Chair Janet Yellen confirms with her successor Jerome Powell the final interest rate hike in December 2017.

Federal Reserve raises the interest rate by 25 basis points to the target range of 1.25% to 1.5% as FOMC members revise up their GDP estimate from 2% to 2.5

+See More

Facebook reaches a $5 billion settlement with the Federal Trade Commission over Cambridge Analytica user privacy violations.

Monica McNeil

2019-08-12 07:30:00 Monday ET

Facebook reaches a $5 billion settlement with the Federal Trade Commission over Cambridge Analytica user privacy violations.

Facebook reaches a $5 billion settlement with the Federal Trade Commission over Cambridge Analytica user privacy violations. The Federal Trade Commission (F

+See More

Apple enters a multi-year content partnership with Oprah Winfrey to provide new original online video and TV programs.

Daisy Harvey

2018-06-10 19:41:00 Sunday ET

Apple enters a multi-year content partnership with Oprah Winfrey to provide new original online video and TV programs.

Apple enters a multi-year content partnership with Oprah Winfrey to provide new original online video and TV programs in direct competition with Netflix, Am

+See More

A Florida fintech group Fidelity Information Services initiates the largest acquisition of the e-commerce payments processor Worldpay.

Olivia London

2019-04-03 11:35:00 Wednesday ET

A Florida fintech group Fidelity Information Services initiates the largest acquisition of the e-commerce payments processor Worldpay.

A Florida fintech group Fidelity Information Services initiates the largest $43 billion acquisition of the e-commerce payments processor Worldpay. Fidelity

+See More

Amazon CEO Jeff Bezos admits the fact that antitrust scrutiny remains a primary imminent threat to his e-commerce business empire.

John Fourier

2019-04-17 11:34:00 Wednesday ET

Amazon CEO Jeff Bezos admits the fact that antitrust scrutiny remains a primary imminent threat to his e-commerce business empire.

Amazon CEO Jeff Bezos admits the fact that antitrust scrutiny remains a primary imminent threat to his e-commerce business empire. In his annual letter to A

+See More

Apple releases the new iOS 13 smartphone features.

John Fourier

2019-07-01 12:35:00 Monday ET

Apple releases the new iOS 13 smartphone features.

Apple releases the new iOS 13 smartphone features. These features include Dark Mode, Audio Share, Memoji, better privacy protection, smart photo collection,

+See More