According to Hollywood.com, “Harry Potter and the Half-Blood Prince” from Warner Bros. beat the old record for Wednesday midnight screenings of $18.5 million held by 2008 Batman movie “The Dark Knight.”

The highest one-day U.S. box office record belongs to “The Dark Knight,” which debuted on a Wednesday last summer to $67.1 million and went on to $203.7 million in its first five days. It earned $1 billion worldwide throughout its run in theaters.

Harry Potter 6 is now posed to break The Dark Knight’s record and even beat Transformers: Revenge of the Fallen as the no. 1 movie of the year.

The five previous “Harry Potter” movies already raked-in a whopping $4.5 billion worldwide making it one of the most successful movie franchises of all time.

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