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Daily State of the Markets 02/10: It Takes a Tanker, And Inflation, And... Feb 10, 2011 08:56AM
KeyBanc Downgrades Sigma-Aldrich (SIAL) to Hold Jan 12, 2011 07:31AM
KeyBanc Reiterates a 'Buy' rating on Sigma-Aldrich (SIAL); Raises Price Target Aug 26, 2009 08:17AM
KeyBanc Reiterates Buy on Sigma-Aldrich (SIAL); $62 PT Mar 24, 2008 08:04AM