What could cause a stock market crash? it's an intriguing question with no real answer, other than some kind of surprise. My bet is that it would take a whopper. The bull market is so strong that to send the Dow careening would take something truly out of this world. Here's how it might unfold one day:
8:30 a.m. E.T.: The government reports record low unemployment. On CNBC economist Stephen Roach at Morgan Stanley declares that everyone who wants a job has one. He expects an inflationary spiral in wages.
9:30 a.m.: The market opens; inflation-wary traders send the Dow plunging...