By Jeff Cox, CNBC.com Senior Writer
NEW YORK ( CNBC) -- When it comes to combating financial markets that all seem to move in unison, the options are getting so limited that some are questioning whether stock picking is a dying art. The market term is "correlation," and it's a dirty word for anyone looking to diversify their portfolios and get some protection in the wild, whipsaw days of the current market environment. Only a few ideas are working, and even those options are offering limited benefits.
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