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
2017-05-13 07:28:00 Saturday ET

America's Top 5 tech firms, Apple, Alphabet, Microsoft, Amazon, and Facebook have become the most valuable publicly listed companies in the world. These
2019-02-02 11:36:00 Saturday ET

The Trump administration teams up with western allies to bar HuaWei and other Chinese tech firms from building the 5G high-speed infrastructure due to natio
2018-06-04 08:38:00 Monday ET

Microsoft acquires GitHub, a software development platform that has been widely shared-and-used by more than 28 million programmers worldwide. GitHub's
2023-10-28 12:29:00 Saturday ET

Paul Morland suggests that demographic changes lead to modern economic growth in the current world. Paul Morland (2019) The human tide: how
2019-12-22 08:30:00 Sunday ET

European Commission President Ursula von der Leyen now protects the European circular economy and green growth from 2020 to 2050. The new circular economy r
2019-03-17 14:35:00 Sunday ET

U.S. trade rep Robert Lighthizer proposes America to require regular touchpoints to ensure Sino-U.S. trade deal enforcement. America has to maintain the thr