Beta measures the volatility of a security or a portfolio relative to a market benchmark. Beta, represented by the Greek lowercase letter β, is also used in the formula for the weighted average ...

hxyume / Getty Images A stock's beta indicates how volatile its price is compared to other stocks. And that is a clue to the degree of risk you're taking in buying that stock. In short ...

The rippled beta sheet is a variation on the pleated beta sheet, a well-known structural motif found in thousands of proteins. Linus Pauling and Robert Corey described the rippled beta sheet in ...

It turns out you can – at least theoretically – thanks to a statistical measurement known as beta. Profit and prosper with the best of expert advice on investing, taxes, retirement ...