Thu, April 20, 2017
Wed, April 19, 2017

Jim Kelleher Upgraded (ADTN) to Strong Buy on, Apr 20th, 2017

Jim Kelleher of Argus Research, Upgraded "ADTRAN Holdings, Inc." (ADTN) to Strong Buy on, Apr 20th, 2017.

Jim, nor any peers, have made any analyst calls on ADTN in the last 4 months.

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