“The Dark Knight” continues to obliterate box office records, crossing the $300 million Christian Bale and Heath Ledger in “The Dark Knight” mark in just 10 days.The epic Batman saga grossed $75.6 million in its second weekend in theaters, pushing its domestic total to $314,245,000, Warner Bros. head of distribution Dan Fellman said Sunday.That surpasses the record set in 2006 by “Pirates of the Caribbean: Dead Man’s Chest,” which took 16 days to make $300 million.
The latest Batman installment already had …