The first "/*Paranormal Activity*/" movie was made for less than $15,000 and went on make more than $100 million.
Last weekend's /*box office*/ champion, "/*Jackass 3D*/," came in second this weekend with $21.6 million.
The action comedy "Red" came in third with $15 million.
Clint Eastwood's "/*Hereafter*/" starring Matt Damon ranked fourth with $12 million while "/*The Social Network*/" snagged the fifth slot with $7.3 million.
1. "Paranormal Activity 2," $41.5 million.
2. "Jackass 3D," $21.6 million.
3. "Red," $15 million.
4. "Hereafter," $12 million.
5. "The Social Network," $7.3 million.
6. "Secretariat," $6.9 million.
7. "Life as We Know It," $6.2 million.
8. "Legend of the Guardians: The Owls of Ga'Hoole," $3.2 million.
9. "The Town," $2.7 million.
10. "Easy A," $1.8 million.
The Associated Press contributed to this report.
