Berkshire Hathaway Inc. (NYSE:BRK.A)

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Berkshire Hathaway Inc. is a holding company owning subsidiaries engaged in a number of diverse business activities. The most important of these are insurance businesses conducted nationwide on a primary basis and worldwide on a reinsurance basis. Berkshire also owns and operates a number of other businesses engaged in a variety of activities, as identified herein....

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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 24 January 2026

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Stock Synopsis: Top China Internet companies continue to enjoy global reach, business model monetization, and new improvements in sales and profits.

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Stock Synopsis: Top China Internet companies continue to enjoy global reach, business model monetization, and new improvements in sales and profits.

Stock Synopsis: China Internet tech titans continue to grow amid greater competition. We launch our unique coverage of top 25 China Internet stocks. In t

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AYA finbuzz podcast offers fresh insights into the latest stock market topics, economic trends, and personal finance inspirations as of December 2019.

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Firms and customers create value and wealth together by joining the continual flow of small batches of lean production to the lean consumption of cost-effec

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A small fraction of the population enjoys most capital and wealth creation.

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A small fraction of the population enjoys most capital and wealth creation.

The heuristic rule of *accumulative advantage* suggests that a small fraction of the population enjoys a large proportion of both capital and wealth creatio

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