That resulted in an immediate rise in the dollar's value against the mark, as traders rushed to buy dollars before they rose even higher.
Big traders rushed to sell and lock in profits.
Second, regulating this activity could cause panic sales as traders rush to beat a feared intervention.
Financial traders rushed exuberantly to buy American assets.
Speculators hunted for bargains; traders who had gone short rushed to buy back stock whenever it looked like prices were rising.
Then, when the border with China opened, Chinese traders rushed in to fill the vacuum, at cheaper prices.
But crude oil led a comeback later in the day as traders rushed in to take advantage of a mostly technical rally.
The days of unloading and reloading were interminable, for these traders did not rush things, and put protocol before convenience.
Last month, however, traders rushed back from beaches to cash in on an unprecedented rally as the Madrid stock exchange index set new records.
Observers and investors look on nervously as the traders rush about gesturing wildly and making their trades.