Art fairs are multiplying and stealing gallery sales to the point that some dealers are shutting their store fronts in favor of the fair circuit.

WSJ: 'Relatively Affordable' for Your Wall

Analysts also point out that the markets have other safeguards to keep them from falling too sharply, with circuit breakers that halt trading on the Dow Jones industrials after falls of 850, 1, 750 and 2, 600 points.

BBC: Economy in the balance

At some point the laws of quantum physics take over, causing electrons to behave in strange ways, including hopping from one circuit to another.

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