Rating History for Sigma-Aldrich (SIAL) by KeyBanc

Date Analyst Type Rating
(Past)
PT
(Past)
Start $
(End $)
% Chg. Details
9/23/2014 N/A Downgrade Sector Weight
(Overweight)
N/A
(112.00)
136.40
(139.76)
2.46% Details