Well, one reason why upturns follow downturns is that downturns tend to overshoot.
There is a concept in financial maelstroms known as the overshoot.
It was unthinkable that he should overshoot the gutter, but he imagined it was still some distance off.
For an instant he had a quick fear that he might overshoot his mark.
You are overrating the effects of our failure—you never seem to be able to do anything but overshoot your mark.
"Say about a couple of thousand ounces and you overshoot it," Peters answered.
But this caused us to overshoot our time, the Moon spending so fast.
But it also makes him careless and liable to overshoot the mark.
He was afraid that, if he stood on long to the north, he might overshoot the passage, should one exist.
Every time, I seem to come short on the field; or overshoot it.
overshoot o·ver·shoot (ō'vər-shōōt')
A change from steady state in response to a sudden change in some factor, as in electric potential or polarity when a cell or tissue is stimulated.