FactSet Research Systems is trading 4.03% down in pre-market at $249.50 on September 30, following its fiscal fourth-quarter earnings release. The decline is primarily driven by: * Fiscal 2027 adjusted EPS guidance of $19.25-$19.65, which fell below the analyst consensus of $19.72. * Fiscal 2027 revenue guidance of $2.6-$2.63 billion, which was slightly below the consensus of $2.62 billion. * The company reported adjusted EPS of $4.52, beating expectations, and organic ASV growth of 7%.