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This final note today. If you thought all the ups and downs of the Dow Jones the past couple of weeks have been wrenching, be glad you're not in Cairo.

The Egyptian stock exchange opened today after a two-month hiatus for a change of government. Didn't take long for investors to let their feelings be known. The benchmark index fell basically 1 percent a second the first 10 seconds the exchange was open. Off 9 percent at the close.

Now that's volatility.

Follow Kai Ryssdal at @kairyssdal