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 ...

Avis has been one of the most volatile stocks in recent weeks following an epic short-squeeze rally that abruptly reversed ...

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Volatile stocks can be both beneficial and detrimental to one's portfolio. On one hand investors can realize greater profits with higher volatility, however on the other hand, opportunities can be ...

Thanks for Glenn Hess’s article “U.S. Seeks Tighter Rail Safety Rules” (C&EN, Aug. 18, page 22). However, the word “volatile” is misused when he writes that “ethanol is less volatile than crude oil.” ...