NEW YORK, July 03, 2021 (GLOBE NEWSWIRE) -- Halper Sadeh LLP, a global investor rights law firm, announces it is investigating the following companies: Hilton Grand Vacations Inc. (NYSE:HGV) concerning potential violations of the federal securities laws and/or breaches of fiduciary duties relating to its merger with Diamond Resorts International, Inc. If you are a Hilton Grand shareholder, click here to learn more about your rights and options. Chiasma, Inc. (NASDAQ:CHMA) concerning potential violations of the federal securities laws and/or breaches of fiduciary duties relating to its sale to Amryt Pharma plc. Under the terms of the agreement, each share of Chiasma common stock issued and outstanding prior to the consummation of the transaction will be exchanged for 0.396 Amryt American Depositary Shares, each ...Full story available on Benzinga.com