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Caroline Banton has 6+ years of experience as a writer of business and finance articles. She also writes biographies for Story Terrace. Chip Stapleton is a Series 7 and Series 66 license holder, CFA ...

Rate of return and standard deviation are two of the most useful statistical concepts in business. These two figures will tell you whether a business project is worth the investment and trouble, given ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Gordon Scott has been an active investor and technical analyst or 20+ years.

Volatility is troublesome for many investors. Value changes in your stocks, your portfolio, or an index can keep you up at night -- or worse, push you to make emotional decisions you later regret.