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 MoreSharpe-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 9 May 2026
2020-09-10 08:31:00 Thursday ET

Most business organizations should continue to create new value in order to achieve long-run success and sustainable profitability. Todd Zenger (2016)
2020-05-14 12:35:00 Thursday ET

Disruptive innovators can better compete against luck by figuring out why customers hire products and services to accomplish jobs. Clayton Christensen, T
2017-12-23 10:40:00 Saturday ET

Despite having way more responsibility than anyone else, top business titans such as Warren Buffett, Charlie Munger, and Oprah Winfrey often step away from
2018-12-23 13:39:00 Sunday ET

The House of Representatives considers a government expenditure bill with border wall finance and therefore sets up a shutdown stalemate with Senate. As fre
2019-01-23 11:32:00 Wednesday ET

Higher public debt levels, global interest rate hikes, and subpar Chinese economic growth rates are the major risks to the world economy from 2019 to 2020.
2018-12-20 13:40:00 Thursday ET

T-Mobile and Sprint indicate that the U.S. is likely to approve their merger plan as they take the offer from foreign owners to stop using HuaWei telecom te