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 6 June 2026
2018-10-23 12:36:00 Tuesday ET

Former Fed Chair Paul Volcker releases his memoir, talks about American public governance, and worries about plutocracy in America. Volcker suggests that pu
2018-06-07 10:36:00 Thursday ET

AT&T wins court approval to take over Time Warner with a trademark $85 billion bid despite the Trump administration prior dissent due to antitrust conce
2018-05-05 07:33:00 Saturday ET

Warren Buffett shares his fresh economic insights and value investment strategies at the Berkshire Hathaway shareholder forum in May 2018 despite the new GA
2018-08-25 12:33:00 Saturday ET

President Trump warns Google, Facebook, and Twitter that these tech titans now tread on troublesome territory. Specifically, Trump accuses Google of rigging
2025-10-04 13:37:00 Saturday 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
2023-06-19 10:31:00 Monday ET

A brief biography of Dr Andy Yeh (PhD, MFE, MMS, BMS, FRM, and USPTO patent accreditation) Dr Andy Yeh is responsible for ensuring maximum sustainable me