NEW YORK, Sept. 4, 2023 /PRNewswire/ — WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Party City Holdco Inc. (NYSE: PRTY) (OTC: PRTYQ) between November 8, 2022 and June 9, 2023, both dates inclusive (the “Class Period”), of the important…