 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the merger of Hilton Grand Vacations Inc. NYSE: HGV and Diamond Resorts International, Inc. is fair to Hilton Grand shareholders. Halper Sadeh encourages Hilton Grand shareholders to click here to learn more about their legal rights and options or contact Daniel Sadeh or Zachary Halper at 212 763-0060 or or Under the terms of the agreement, 