Box Office: 'Straight Outta Compton' easily takes out 'HitMan' to remain no. 1

"Straight Outta Compton" easily held on to the no. 1 spot at the box office with another $8.3 million and is expected to hit $100 million today. "Sinister 2," "Hitman: Agent 47" and "American Ultra" all came in under expectations.