By Brad Zigler on Hard Assets Investor:
... Most of the time, investors are only worried about one type of volatility—the downside kind. Unfortunately, the data supplied to most investors doesn't really help them figure out the level of downside risk they assume.
Volatility is usually expressed as the annualized standard deviation in a stock's return. That translates to the degree of variance—up or down—from a stock's average price over a given period. If all you could know about a stock was this number, you might easily dismiss an investment as too risky.
Take Hecla Mining, for example. Of the dozen stocks examined, Hecla displayed...
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