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 21 March 2026
2018-08-15 14:40:00 Wednesday ET

Senator Elizabeth Warren advocates the alternative view that most U.S. trade deals serve corporate interests over workers, customers, and suppliers etc. She
2023-05-14 12:31:00 Sunday ET

Paul Samuelson defines the mathematical evolution of economic price theory and thereby influences many economists in business cycle theory and macro asset m
2019-11-15 13:34:00 Friday ET

The Economist offers a special report that the new normal state of economic affairs shines fresh light on the division of labor between central banks and go
2019-07-19 18:40:00 Friday ET

We can decipher valuable lessons from the annual letters to shareholders written by Amazon CEO Jeff Bezos. Amazon is highly customer-centric because the wor
2019-07-13 07:17:00 Saturday ET

Japanese prime minister Shinzo Abe outlines the main economic priorities for the G20 summit in Osaka, Japan. First, Asian countries need to forge the key Re
2025-10-03 10:31:00 Friday ET

Stock Synopsis: With a new Python program, we use, adapt, apply, and leverage each of the mainstream Gemini Gen AI models to conduct this comprehensive fund