'Transformers' number 1 at box office again

The third installment of the Transformers franchise reached the top spot in theater sales for a second-straight weekend. Transformers: Dark of the Moon, staring Shia LaBeouf and Rosie Huntington-Whiteley, has grossed $645 million internationally.

The Paramount film took in $140 million worldwide this weekend alone, outperforming its predecessor in second week sales. Of that, $47 million was in domestic sales.

Other films at the box office rode on the coattails of the Transformers success. "Transformers is helping the overall marketplace by performing well," Paul Dergarabedian said.

Jason Bateman and Jennifer Aniston's adult comedy Horrible Bosses came in second with $28 million. The family flick Zookeeper, starring Kevin James, pulled in $21 million, landing it at the number three slot. Both films exceeded studio projections.

Cars 2 and Bad Teacher with Cameron Diaz completed the top five. The Pixar animated film grossed $15 million and Teacher took in $9 million.