‘Avatar’ tops box office for 6th straight week The sci-fi spectacle lifted its domestic total to $552.8 million and raised its worldwide total to $1.840 billion, just $2 million shy of first place behind the 1997 shipwreck blockbuster “Titanic,” at $1.843 billion. Avatar. - Titanic. - Box office. 01-28-2010 by davidtraylor Tags office, straight, week