Piotroski recognized that, although it has long been shown that value stocks (or high book - to - market firms as he calls them) have strong returns as a group, there is nevertheless
a very wide variability in terms of the returns of these stocks, with most of them performing worse than the market.
«There's a very,
very wide variability in what's being delivered as clinical care,» says Lurie, noting that case fatality rates differ dramatically in different locations.
Not exact matches
Similarly, even though the expected return to stocks is negative in the current climate, the risk (measured by the
variability of possible outcomes) is also
very wide.