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 23 May 2026
2019-03-09 12:43:00 Saturday ET

Pinterest files a $12 billion IPO due in mid-2019. This tech unicorn allows users to pin-and-browse images through its social media app and website. Pintere
2019-01-03 10:38:00 Thursday ET

American parents often worry about money and upward mobility for their children. A recent New York Times survey suggests that nowadays American parents spen
2017-12-07 08:31:00 Thursday ET

Large multinational tech firms such as Facebook, Apple, Microsoft, Google, and Amazon can benefit much from the G.O.P. tax reform. A recent stock research r
2019-02-05 10:32:00 Tuesday ET

President Trump remains optimistic about the Sino-American trade war resolution of both trade deficit eradication and tech transfer enforcement. Trump now s
2019-07-21 09:37:00 Sunday ET

Facebook introduces a new cryptocurrency Libra as a fresh medium of exchange for e-commerce. Libra will be available to all the 2 billion active users on Fa
2017-05-19 09:39:00 Friday ET

FAMGA stands for Facebook, Apple, Microsoft, Google, and Amazon. These tech giants account for more than 15% of market capitalization of the American stock