They reflect the same interest in Gentiles and the same interest in women. Luke was not Jewish. He writes in the highest Greek of the New Testament. The end of Luke dovetails into the beginning of Acts. Acts begins where Luke leaves off.
Acts is a sequel.
Jesus only appears to his disciples in Jerusalem in Luke and Acts. Luke the Physician. Both Luke and Mark relate the story of the woman with the longstanding issue of blood who was healed by Jesus. Luke was not an eyewitness of the earthly ministry of Jesus. He evidently was permitted opportunity to interview some of those who had known Jesus personally.