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 22 August 2026
2018-10-13 10:44:00 Saturday ET

Dow Jones tumbles 3% or 831 points while NASDAQ tanks 4%, and this negative investor sentiment rips through most European and Asian stock markets in early-O
2025-09-18 08:03:32 Thursday 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
2018-05-02 06:32:00 Wednesday ET

What are the primary pros and cons of free trade or fair trade in the current Sino-American quagmire? Free trade means allowing goods and services to move a
2019-05-07 09:30:00 Tuesday ET

The Trump team receives a 3.2% first-quarter GDP boost as Fed Chair Jay Powell halts the next interest rate hike in early-May 2019. This smooth upward econo
2018-06-01 07:30:00 Friday ET

The U.S. federal government debt has risen from less than 40% of total GDP about a decade ago to 78% as of May 2018. The Congressional Budget Office predict
2019-03-13 12:35:00 Wednesday ET

Uber seeks an IPO in close competition with its rideshare rival Lyft and other tech firms such as Slack, Pinterest, and Palantir. Uber expects to complete o