Berkshire Hathaway Inc. (NYSE:BRK.B)

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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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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 15 August 2026

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Tech titans from Apple and Amazon to Microsoft and Google can benefit from the G.O.P. tax reform.

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2017-12-07 08:31:00 Thursday ET

Tech titans from Apple and Amazon to Microsoft and Google can benefit from the G.O.P. tax reform.

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Apple releases the new iOS 13 smartphone features.

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Apple Boston

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Olivia London

2017-03-03 05:39:00 Friday ET

With its novel SnapChat app, Snap IPO achieves $30 billion stock market valuation!

As the biggest IPO since Alibaba in recent years, Snap Inc with its novel instant-messaging app SnapChat achieves $30 billion stock market capitalization.

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