Asian markets have sold off for the second straight day, and the futures market in the U.S. indicate a deep drop at the open. Dow futures were down more than 500 points around 6 a.m.
Now usually comes the caution that futures activity is not a good predictor for how a particular trading day will unfold. But today could the exception because the world markets have sold off so heavily.
Will the activity trip the "circuit breakers" that the New York Stock Exchange has in place to handle days when panic selling occurs?
It would take a 1,350-point drop in the Dow Jones industrial average to do that. No one's predicting that. But hold on tight, just in case.
