** Casino operator PENN Entertainment's shares PENN.O fall 1.8% to $20.05 premarket
** PENN misses fourth-quarter revenue and loss estimates as continues to struggle with losses in its interactive segment, which includes its online casino and sports betting operations
** Posts Q4 adj. loss of 44 cents per share, compared with analysts' estimates of a loss of 38 cents - LSEG compiled data
** Q4 revenue $1.67 bln vs LSEG estimate $1.68 bln
** ** Co has been targeted by investment firms, such as HG Vora Capital and Donerail Group, calling for structural changes in the board over allegations of mismanagement
** In 2024, stock had fallen 23.8%
(Reporting by Aatreyee Dasgupta)
((Aatreyee.Dasgupta@thomsonreuters.com))