Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...

Kristina Byas is contributor at Investopedia. As a personal finance expert, she has lent her insights and knowledge to numerous financial publications. Her articles have helped readers navigate the ...

Chris Davis is a Managing Editor on the Investing team. As a writer, he covered the stock market, investing strategies and investment accounts, and as a spokesperson, he appeared on NBC Bay Area and ...