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What's behind the stock market swoon? A little of everything

BostonGlobe.com
What's behind the stock market swoon? A little of everything

October is known as a cursed month on Wall Street, and this week is confirming investors' worst fears. All three major stock indexes dropped sharply on Wednesday and Thursday, with the Standard and Poor's 500 down 6.7 percent over the last six days. The trigger? Well, that's not entirely