Futures down 24 points

It's a sea of red in global equity markets as the fall in oil and commodity prices spark worries about global growth.

The market is concerned about China after a fall in exports but I was more encouraged by the increase in imports.

If selling accelerates, watch support at Thursday's low of 2042. Ultimately, the kind of volatility we've seen over the past week inspires contempt. It's another reason to sell out and close the books ahead of the Fed/holidays.