Harvard University and Envoy, an American Airlines subsidiary, have confirmed data breaches linked to a zero-day ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...

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Companies such as Nike, Starbucks, Meta, Microsoft, and UPS have trimmed staff this year. In some cases, artificial intelligence is reshaping workforces. See the list of companies letting workers go ...

Read about types of businesses, how to start one, and how to get a business loan Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Vikki Velasquez is a researcher and ...

Porter, Michael E. "The Five Competitive Forces That Shape Strategy." Special Issue on HBS Centennial. Harvard Business Review 86, no. 1 (January 2008): 78–93.