Markets sell off on poor manufacturing data from China as a lackluster earnings season rolls on. Treasury yields jumped in response to the poor result from the world's second largest economy while emerging market stocks dropped and gold rallied. But traders expect the resurfacing of risk-on sentiment to be brief against what has become a stock picker's market. Then are even suggestions the Federal Reserve may raise the level of bond buying when it meets next week - a move that would rattle assumptions the U.S. recovery is on track. TheStreet's Jane Searle reports from the NYSE.

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