Warner Bros. Pictures' Harry Potter and the Half-Blood Prince earned a massive $58.4 million from 4,275 theaters domestically on Wednesday, including a record-setting $22.2 million from midnight shows.
The opening is the second-best Wednesday ever, trailing only the $62 million Michael Bay's Transformers: Revenge of the Fallen made on June 24. The biggest day ever for a film was set by The Dark Knight with $67.2 million last year