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 December 2025
2019-02-21 12:37:00 Thursday ET

Apple shakes up senior leadership to initiate a new transition from iPhone revenue reliance to media and software services. These changes include the key pr
2025-03-03 04:11:06 Monday ET

Is higher stock market concentration good or bad for Corporate America? In recent years, S&P 500 stock market returns exhibit spectacular concentrati
2019-12-30 11:28:00 Monday ET

AYA Analytica finbuzz podcast channel on YouTube December 2019 In this podcast, we discuss several topical issues as of December 2019: (1) The Trump adm
2019-10-23 15:39:00 Wednesday ET

American CEOs of about 200 corporations issue a joint statement in support of stakeholder value maximization. The Business Roundtable offers this statement
2018-05-17 07:41:00 Thursday ET

Has America become a democratic free land of crumbling infrastructure, galloping income inequality, bitter political polarization, and dysfunctional governa
2019-07-07 18:36:00 Sunday ET

The Chinese central bank has to circumvent offshore imports-driven inflation due to Renminbi currency misalignment. Even though China keeps substantial fore