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.” ...

Learn about the volatility ratio indicator's meaning, calculation method, and its significance for traders. Find out how this tool identifies breakout signals effectively.

Look at a chart of the Standard & Poor’s 500 index today: It’s like a mountain range in Mordor — jagged movements, all up and down. Today, the Dow Jones industrial average fell more than 560 points at ...

Stock market volatility refers to the frequency and size of a market move in either direction over a specified time period. Higher volatility is usually a sign of increased risk, but it can also ...

Volatility is a measure of risk that is the statistical quantification of a security's possible investment returns. In short, it means large swings in price over a short period of time. Volatility in ...

volatile warns the optimizer that a variable can change without notice, so we need to know why that would ever matter. And for that, we’ll take a quick glimpse into the logic of (one type of) compiler ...

An erroneous term. Storage devices, including magnetic disks and tapes, solid state disks (SSDs) and rewritable optical discs, hold their content permanently until purposely changed (they are non ...

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.” ...