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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 4 April 2026

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Capital structure theory and practice

Jonah Whanau

2022-03-15 10:32:00 Tuesday ET

Capital structure theory and practice

Capital structure theory and practice  The genesis of modern capital structure theory traces back to the seminal work of Modigliani and Miller (1958

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Harvard financial economist Alberto Cavallo empirically shows the recent *Amazon effect* of faster retail price adjustments.

Amy Hamilton

2018-08-23 11:34:00 Thursday ET

Harvard financial economist Alberto Cavallo empirically shows the recent *Amazon effect* of faster retail price adjustments.

Harvard financial economist Alberto Cavallo empirically shows the recent *Amazon effect* that online retailers such as Amazon, Alibaba, and eBay etc use fas

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New York Fed CEO John Williams listens to sharp share price declines as part of the data-dependent interest rate policy.

Dan Rochefort

2019-01-02 06:28:00 Wednesday ET

New York Fed CEO John Williams listens to sharp share price declines as part of the data-dependent interest rate policy.

New York Fed CEO John Williams listens to sharp share price declines as part of the data-dependent interest rate policy. The Federal Reserve can respond to

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Central banks learn to weigh the monetary policy trade-offs between output and inflation expectations and macro-financial stress conditions.

Becky Berkman

2026-01-31 10:31:00 Saturday ET

Central banks learn to weigh the monetary policy trade-offs between output and inflation expectations and macro-financial stress conditions.

  In recent years, several central banks conduct, assess, and discuss the core lessons, rules, and challenges from their monetary policy framework r

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President Trump escalates the current Sino-American trade war by imposing 25% tariffs on $200 billion Chinese imports.

Rose Prince

2018-08-03 07:33:00 Friday ET

President Trump escalates the current Sino-American trade war by imposing 25% tariffs on $200 billion Chinese imports.

President Trump escalates the current Sino-American trade war by imposing 25% tariffs on $200 billion Chinese imports. These tariffs encompass chemical prod

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AYA fintech finbuzz analytic report on the U.S. top tech titans Fall-Winter 2019

Andy Yeh Alpha

2019-11-06 12:29:00 Wednesday ET

AYA fintech finbuzz analytic report on the U.S. top tech titans Fall-Winter 2019

Our fintech finbuzz analytic report shines fresh light on the fundamental prospects of U.S. tech titans Facebook, Apple, Microsoft, Google, and Amazon (F.A.

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