Zacks Investment Research upgraded shares of Adva Optical Netwo (NASDAQ:ADVOF) from a sell rating to a hold rating in a report published on Wednesday.

According to Zacks, “ADVA Optical Networking SE develops, manufactures and sells optical and Ethernetbased networking solutions. It serves telecommunications service providers, private companies, universities and government agencies. ADVA Optical Networking SE is headquartered in Munich, Germany. “

Adva Optical Netwo (NASDAQ ADVOF) remained flat at $$7.15 during mid-day trading on Wednesday. Adva Optical Netwo has a fifty-two week low of $5.56 and a fifty-two week high of $11.85.

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