Stress test for investors coming soon

The next several days are so important to the nascent equities rally, says David Callaway. For all the hype over the 26% gain in the S&P 500 from its March 9 low, it's likely come way too far too fast. Stocks just don't go straight up, even if the national mood on the economy has gone from one of "kill all the bankers" to one of "tea parties" to protest taxes.