Studios eye box office record

Warner Bros.’ “The Dark Knight” is poised to enter the record books as it opens today — and the weekend has a shot at being the best on record in overall grosses on the strength of the Batman sequel and Universal’s adaptation of stage musical “Mamma Mia!” The record holder for best nonholiday weekend is the weekend of July 7-9, 2006, which brought in $218.4 million in total domestic box office grosses, led by the $131.5 million bow of Disney sequel “Pirates of the Caribbean: Dead Man’s Chest.” - from Variety