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 5 September 2026

Blog+More

Net neutrality rules continue to revolve around the Trump administration's current IT agenda of 5G telecom transformation.

Becky Berkman

2018-05-15 08:40:00 Tuesday ET

Net neutrality rules continue to revolve around the Trump administration's current IT agenda of 5G telecom transformation.

Net neutrality rules continue to revolve around the Trump administration's current IT agenda of 5G telecom transformation. Republican Senate passes the

+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

President Trump ramps up 25% tariffs on $200 billion Chinese imports soon after China backtracks on the Sino-U.S. trade agreement.

Rose Prince

2019-05-09 10:28:00 Thursday ET

President Trump ramps up 25% tariffs on $200 billion Chinese imports soon after China backtracks on the Sino-U.S. trade agreement.

President Trump ramps up 25% tariffs on $200 billion Chinese imports soon after China backtracks on the Sino-American trade agreement. U.S. trade envoy Robe

+See More

In the current global market for better biotech advances, medical innovations, and healthcare services, the new integration of artificial intelligence (AI) reshapes the competitive landscape worldwide.

Charlene Vos

2026-04-30 08:28:00 Thursday ET

In the current global market for better biotech advances, medical innovations, and healthcare services, the new integration of artificial intelligence (AI) reshapes the competitive landscape worldwide.

In the current global market for better biotech advances, medical innovations, and healthcare services, the new integration of artificial intelligence (AI)

+See More

CBS and its special committee of independent directors have decided to sue the Redstone controlling shareholders.

Daisy Harvey

2018-05-09 08:31:00 Wednesday ET

CBS and its special committee of independent directors have decided to sue the Redstone controlling shareholders.

CBS and its special committee of independent directors have decided to sue the Redstone controlling shareholders because these directors might have breached

+See More

Netflix suffers its first major loss of U.S. subscribers due to the recent price hikes.

Rose Prince

2019-08-14 10:31:00 Wednesday ET

Netflix suffers its first major loss of U.S. subscribers due to the recent price hikes.

Netflix suffers its first major loss of U.S. subscribers due to the recent price hikes. The company adds only 2.7 million new subscribers in 2019Q2 in stark

+See More