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 2 May 2026
2019-01-08 17:46:00 Tuesday ET

President Trump forces the Federal Reserve to normalize the current interest rate hike to signal its own monetary policy independence from the White House.
2018-12-09 08:44:00 Sunday ET

President Trump meets with Chinese President Xi again at the G20 summit in the city of Buenos Aires, Argentina, in late-November 2018. President Donald Trum
2018-08-27 09:35:00 Monday ET

President Trump and his Republican senators and supporters praise the recent economic revival of most American counties. The Economist highlights a trifecta
2026-02-28 10:29:00 Saturday ET

AYA fintech network platform provides proprietary alpha stock signals and personal finance tools for stock market investors. As of March 2026, we have up
2019-10-03 17:39:00 Thursday ET

President Trump indicates that he would consider an interim Sino-American trade deal in lieu of a full trade agreement. The Trump administration defers high
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