You are given a text that consists of multiple sentences. Your task is to perform abstractive summarization on this text. Use your understanding of the content to express the main ideas and crucial details in a shorter, coherent, and natural sounding text.

NEW YORK, June 24, 2020 /PRNewswire/ --Purcell Julie & Lefkowitz LLP, a class action law firm dedicated to representing shareholders nationwide, is investigating a potential breach of fiduciary duty claim involving the board of directors of Sabre Corporation (NASDAQ: SABR). If you are a shareholder of Sabre Corporation and are interested in obtaining additional information regarding this investigation, free of charge, please visit us at: http://pjlfirm.com/sabre-corporation/ You may also contact Robert H. Lefkowitz, Esq. either via email at [emailprotected] or by telephone at 212-725-1000. One of our attorneys will personally speak with you about the case at no cost or obligation. Purcell Julie & Lefkowitz LLP is a law firm exclusively committed to representing shareholders nationwide who are victims of securities fraud, breaches of fiduciary duty and other types of corporate misconduct. For more information about the firm and its attorneys, please visit http://pjlfirm.com. Attorney advertising. Prior results do not guarantee a similar outcome. SOURCE Purcell Julie & Lefkowitz LLP Related Links http://www.pjlfirm.com

Answer: SHAREHOLDER ALERT: Purcell Julie & Lefkowitz LLP Is Investigating Sabre Corporation for Potential Breaches Of Fiduciary Duty By Its Board of Directors