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 4 July 2026
2022-02-02 10:33:00 Wednesday ET

Our proprietary alpha investment model outperforms most stock market indices from 2017 to 2022. As of early-January 2023, the U.S. Patent and Trademark O
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
2018-06-11 07:44:00 Monday ET

Facebook, Apple, Amazon, Netflix, and Google (FAANG) have been the motor of the S&P 500 stock market index. Several economic media commentators contend
2019-07-23 09:22:00 Tuesday ET

Harvard economic platform researcher Dipayan Ghosh proposes some alternative solutions to breaking up tech titans such as Facebook, Google, Apple, and Amazo
2019-09-11 09:31:00 Wednesday ET

Central banks in India, Thailand, and New Zealand lower their interest rates in a defensive response to the Federal Reserve recent rate cut. The central ban
2020-07-12 08:30:00 Sunday ET

The lean CEO encourages iterative continuous improvements and collaborative teams to innovate around core value streams. Jacob Stoller (2015)