Shares of Cigna Group CI, +2.12% shot up 4% toward a 13-month high in premarket trading Friday, after the health care services company reported a fourth-quarter earnings beat and raised its dividend by 14%, as pharmacy and medical customers climbed. Net income came in at $2 billion, or$3.49 a share, after $1.53 billion, or$3.91 a share, in the year-go period. Excluding nonrecurring items, adjusted earnings per share rose to $6.79 from$5.02 to beat the FactSet consensus of $6.54. Revenue grew 11.7$51 ...