** Shares of casino operator PENN Entertainment PENN.O fall nearly 5% to about $12.40 in morning trading
** Co signed a cooperation agreement with activist investor HG Vora Capital Management, added three new independent directors to its board
** It added Heather Ace, Jeffrey Fox and Fabio Schiavolin to its board as part of the agreement
** The company is expected to report its fourth-quarter results later this week on February 26
** Including session's moves, shares down 15.9% YTD
(Reporting by Apratim Sarkar in Bengaluru)
((Apratim.Sarkar@thomsonreuters.com))