Contact the investor relations department of the corporation to
determine the causes for unexplained changes. If the footnotes don’t
provide what you need, the corporate source is the next best place
to go. The purpose in the initial fundamental tests is not limited to
determining that all is well or even to discovering whether previ-
ously established trends have changed. Instead, the purpose should
be to reveal more information than the initial fundamental tests pro-
vide and to point the way to further research and investigation—ei-
ther to confirm what appears to be occurring or to find the root
causes for new trends.
Using Volatility to Pick Stocks ...