Rating History for Sonus Networks, Inc. (SONS) by

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Date Analyst Type Rating
(Past)		 PT
(Past)		 Start $
(End $)		 % Chg. Details
2/22/2012 N/A Downgrade
(N/A)		 2.70
(N/A)		 2.69
(8.14)		 202.6% Details