In North America, the film had the highest per-screen and per-theater gross in 2007.[87] It was released on July 3, 2007, with 8 p.m. preview screenings on July 2. The U.S. previews earned $8.8 million,[88] and in its first day of general release it grossed $27.8 million, a record for Tuesday box-office gross until broken by The Amazing Spider-Man in 2012.[89] It did, however, break Spider-Man 2‍‍ ’​‍s record for the biggest July 4 gross, making $29 million.[90] Transformers opened in over 4,050 theaters in North America,[2] grossed $70.5 million in its first weekend, amounting to a $155.4 million opening week, giving it the record for the biggest opening week for a non-sequel.[91] The opening’s gross in the United States was 50 percent more than Paramount Pictures expected. One executive attributed it to word of mouth that explained to parents that “it [was] OK to take the kids”. A CinemaScore poll indicated the film was most popular with children and parents, including older women, and attracted many African American and Latino viewers.[92] Transformers ended its theatrical run in the United States and Canada with a gross of $319.2 million, making it the third highest-grossing film of 2007 in these regions behind Spider-Man 3 and Shrek the Third.[93]