Box Office

“Harry Potter and the Sorcerer’s Stone” was No. 1 at the box office this weekend, earning $24 million, a sharp drop from the previous weekend. “Behind Enemy Lines,” starring Owen Wilson, left, and Gene Hackman, was second, with $19.2 million. The thriller “Spy Game,” which teams Brad Pitt and Robert Redford, was third, and the family film “Monsters, Inc.” was fourth. See story, F5.