Berkshire Hathaway Inc. (NYSE:BRK.B)

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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)....

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Here we provide our AYA proprietary alpha stock signals for all premium members on our AYA fintech network platform. Specifically, a high Fama-French multi-factor dynamic conditional alpha suggests that the stock is likely to consistently outperform the broader stock market benchmarks such as S&P 500, Dow Jones, Nasdaq, Russell 3000, MSCI USA, and MSCI World etc. Since March 2023, our proprietary alpha stock signals retain U.S. Patent and Trademark Office (USPTO) fintech patent protection, approval, and accreditation for 20 years. Our homepage and blog articles provide more details on this proprietary alpha stock market investment model with robust long-term historical backtest evidence.

Sharpe-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 30 May 2026

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The U.S. further derisks and decouples from China.

Peter Prince

2023-05-31 03:15:40 Wednesday ET

The U.S. further derisks and decouples from China.

The U.S. further derisks and decouples from China.   Why does the U.S. seek to further economically decouple from China? In recent times, th

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President Trump's current trade policies appear like the Reagan administration's protectionist trade policies back in the 1980s.

Apple Boston

2018-07-03 11:42:00 Tuesday ET

President Trump's current trade policies appear like the Reagan administration's protectionist trade policies back in the 1980s.

President Trump's current trade policies appear like the Reagan administration's protectionist trade policies back in the 1980s. In comparison to th

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Rakesh Jhunjhunwala is India's equivalent to Warren Buffett in America.

Jonah Whanau

2016-10-19 00:00:00 Wednesday ET

Rakesh Jhunjhunwala is India's equivalent to Warren Buffett in America.

India's equivalent to Warren Buffett in America, Rakesh Jhunjhunwala, offers several key lessons for stock market investors: When the press o

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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 fundamental analysis of IBM (International Business Machines) (U.S. stock symbol: $IBM).

Laura Hermes

2025-10-11 14:33:00 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 fundamental analysis of IBM (International Business Machines) (U.S. stock symbol: $IBM).

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

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The U.S. greenback soars in value as the Federal Reserve continues its interest rate hike.

Daisy Harvey

2018-10-07 13:39:00 Sunday ET

The U.S. greenback soars in value as the Federal Reserve continues its interest rate hike.

The U.S. greenback soars in value as the Federal Reserve continues its interest rate hike. With impressive service-sector data and non-farm payroll wage gro

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The social media factor serves as a new measure of investor sentiment in addition to the fundamental factors.

Rose Prince

2017-05-07 06:39:00 Sunday ET

The social media factor serves as a new measure of investor sentiment in addition to the fundamental factors.

While the original five-factor asset pricing model arises from a quasi-lifetime of top empirical research by Nobel Laureate Eugene Fama and his long-time co

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