Washington: Disney-Pixar animated prequel `Monsters University retained the top spot at box-office for the second week with 46.1-million-dollar earnings.
Sandra Bullock and Melissa McCarthy starrer `The Heat` earned 40 million dollars to land in second place in its opening weekend, Fox News reported.
Paramount`s zombie thriller `World War Z` was at 3 rd place with 29.8 million dollars.
`White House Down` was placed at fourth place with 25.7-million-dollar debut haul.
The top 10 movie at the box office are:
1. `Monsters University` - 46.1 million dollars
2. `The Heat` - 40 million dollars
3. `World War Z` - 29.8 million dollars
4. `White House Down` - 25.7 million dollars
5. `Man of Steel` - 20.8 million dollars
6. `This Is the End` - 8.7 million dollars
7. `Now You See Me` - 5.5 million dollars
8. Fast and Furious 6` - 2.4 million dollars
9. `Star Trek: Into Darkness` - 2 million dollars
10. `The Internship` - 1.4 million dollars