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ANALYSIS-Machines take the blame as U.S. stock market sells off

CNBC.com
ANALYSIS-Machines take the blame as U.S. stock market sells off

(Refiles to restore dropped word 'on' and add word 'partially' in paragraph 20) NEW YORK, Oct 11 (Reuters) - Investors searching for perpetrators and victims in this week's U.S. stock market selloff pointed to a familiar source: number-crunching fund managers and machines. The benchmark