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Berkshire Hathaway Inc. (NYSE:BRK.B)

Real-time price： | Most recent change：0.00%

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 4 April 2026

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Apple becomes the first company to hit $1 trillion stock market valuation.

Becky Berkman

2018-08-01 11:43:00 Wednesday ET

Apple becomes the first company to hit $1 trillion stock market valuation.

Apple becomes the first company to hit $1 trillion stock market valuation. The tech titan sells about the same number of smart phones or 41 million iPhones

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A 7-year $1.3 billion hedge fund manager Chelsea Brennan shares her investment advice.

Laura Hermes

2018-10-05 10:38:00 Friday ET

A 7-year $1.3 billion hedge fund manager Chelsea Brennan shares her investment advice.

A 7-year $1.3 billion hedge fund manager Chelsea Brennan shares her investment advice. Her advice encompasses several steps toward better financial literacy

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Sino-American trade talks make positive progress over 3 consecutive days.

Joseph Corr

2019-01-17 10:41:00 Thursday ET

Sino-American trade talks make positive progress over 3 consecutive days.

Sino-American trade talks make positive progress over 3 consecutive days as S&P 500 and global stock market indices post 3-day win streaks. Asian and Eu

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Daniel Goleman explains why working with emotional intelligence helps hone our social skills for smarter, better, and more effective leaders, teams, and organizations in modern life, business, innovation, and entrepreneurship.

Fiona Sydney

2025-07-05 11:23:00 Saturday ET

Daniel Goleman explains why working with emotional intelligence helps hone our social skills for smarter, better, and more effective leaders, teams, and organizations in modern life, business, innovation, and entrepreneurship.

Former New York Times science author and Harvard psychologist Daniel Goleman explains why working with emotional intelligence helps hone our social skills f

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Business leaders inspire teams to reach heights of both innovation and profitability with great corporate purpose.

Apple Boston

2020-08-26 10:33:00 Wednesday ET

Business leaders inspire teams to reach heights of both innovation and profitability with great corporate purpose.

Through purposeful leadership, senior managers inspire teams to reach heights of both innovation and profitability with great brand identity and customer lo

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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 Salesforce (U.S. stock symbol: $CRM).

Amy Hamilton

2025-10-09 11:30:00 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 fundamental analysis of Salesforce (U.S. stock symbol: $CRM).

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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