Coming Week: Test of Nerves

Buying opportunity or beginning of a serious decline?

That's the question on traders' minds in the wake of last week's global market upheaval, which reminded investors that -- all together now -- it's a small world after all.

The reaction to China's selloff and concerns about an unwinding of the so-called carry trade amid the yen's rally were stark reminders of the interconnectedness of global financial markets. They also reflect the folly of trying to forecast major market moves, because it's usually the issues people aren't worried about that prove most caustic to portfolios. ...