Learn how to integrate Single Sign-On (SSO) into your applications with this comprehensive developer guide. Includes code examples, flow diagrams, and best practices for secure authentication.

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Marshall Hargrave is a stock analyst and writer with 10+ years of experience covering stocks and markets, as well as analyzing and valuing companies. A merger combines two companies into one.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...