Market rout offers valuable lessons in open economy

If a sports game is affected by a sudden downpour, it is the referee's job to announce a halt of the competition. If, and heaven forbid, there is a fire in a movie house, it is the projectionist's obligation to call for the firemen, and to help direct a quick evacuation.

In either case, business as usual is irresponsible.

By the same token, no one can really dispute that if the Chinese government sees the country's stock market as in a disastrous moment, it will have to react according to its own judgment and the feedback it collected.