'Dark Knight' passes $400M milestone

LOS ANGELES, Aug. 5 (UPI) -- Warner Bros.' "The Dark Knight" reached the $400 million mark in U.S. box-office receipts Monday -- its 18th day in release, Variety.com reported Tuesday.

Monday's take was $6.3 million, giving the latest Batman adventure a domestic total of $400.1 million so far.

Starring Christian Bale, the late Heath Ledger, Morgan Freeman and Michael Caine, "The Dark Knight" has been No. 1 at the U.S. box office for the past three weeks.

Variety.com noted it took the 2004 film "Shrek 2" 43 days to reach the $400 million milestone.

The highest grossing film of all time is the epic period romance-action film, "Titanic," which earned $600.8 million at the domestic box office, the entertainment industry trade newspaper said.