It begins with a downward move followed by a significant price retracement.
With a sustained downward move, day traders go broke.
The downward move continued through the 1980's, to the point where Hewlett had to sell half its 20 acres to keep going.
Much of the downward move occurred in overnight trading in Tokyo.
The downward move followed four straight days where the bellwether issue moved in a very tight trading range.
"If equity volatility gets out of hand, we could clearly get another 5 to 7 percent downward move caused just by people worrying."
After a big downward move on Friday, the benchmark issue was offered at a price to yield 8.08 percent.
Long-term interest rates fell below 8 percent, continuing a cautious downward move that began earlier in the week.
A small downward move in inflation is not good news; its bad when you look at the causes.
In case of a downward move in prices, that could accelerate the slide.