SHAREHOLDER INVESTIGATION: Halper Sadeh LLP Investigates ADTN, HBMD, VNE, IKNX; Shareholders are Encouraged to Contact the Firm

NEW YORK, Oct. 22, 2021 /PRNewswire/ -- Halper Sadeh LLP, a global investor rights law firm, announces it is investigating the following companies: ADTRAN, Inc. (NASDAQ: ADTN) concerning potential violations of the federal securities laws and/or breaches of fiduciary duties relating to...

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