Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Katrina Ávila Munichiello is an experienced editor, writer, fact-checker, and proofreader with more than fourteen years of experience working with print and online publications. Investopedia / Lara ...

The Energy Department ordered two coal-burning power plants to remain open, and the Environmental Protection Agency gave utilities more time to tackle toxic coal ash. By Lisa Friedman and Maxine ...

Software engineering is the branch of computer science that deals with the design, development, testing, and maintenance of software applications. Software engineers apply engineering principles and ...