Zix: SHAREHOLDER INVESTIGATION: Halper Sadeh LLP Investigates ADTN, GWB, AZPN, ZIXI; Shareholders are Encouraged to Contact the Firm

(marketscreener.com) NEW YORK, Dec. 02, 2021 -- Halper Sadeh LLP, a global investor rights law firm, announces it is investigating the following companies: ADTRAN, Inc. concerning potential violations of the federal securities laws and/or breaches of fiduciary duties relating to its merger with ADVA. Following completion of the transaction, ADTRAN...https://www.marketscreener.com/news/latest/SHAREHOLDER-INVESTIGATION-Halper-Sadeh-LLP-Investigates-ADTN-GWB-AZPN-ZIXI-Shareholders-are-Enc--37194621/?utm_medium=RSS&utm_content=20211202