'Transformers 4' dominates N. America box office

"Transformers: Age of Extinction" extended its North American box office dominance into a second straight week, industry figures showed Monday, earning $37.1 million over the Independence Day weekend, AFP reports.

The massive morphing robots epic -- the first movie of the year to open with $100 million on the domestic front -- has earned $175.4 million over two weeks, according to industry monitor Exhibitor Relations.

In second place was "Tammy," starring plus-sized comedian Melissa McCarthy, whose road trip with her alcoholic grandmother, played by Susan Sarandon, debuted with $21.6 million in ticket sales.

Buddy cop comedy "22 Jump Street," featuring Jonah Hill and Channing Tatum, pulled in $9.8 million for third place, just ahead of another newcomer, horror flick "Deliver Us From Evil," which had $9.7 million in ticket sales.

Another blockbuster summer sequel, "How to Train Your Dragon 2," came in fifth with just under $9.0 million this weekend.

Family-friendly sci-fi "Earth to Echo" was in sixth place with $8.4 million in earnings in its debut.

Angelina Jolie's "Maleficent," a modern retelling of the life of Sleeping Beauty's arch-nemesis, grossed $6.2 million for the weekend for seventh place.

"Jersey Boys," Clint Eastwood's film adaptation of the hit Broadway musical about the 1960s rise to pop success of Frankie Valli and the Four Seasons, was in eighth at $5.2 million.

Comedy sequel "Think Like a Man Too" earned ninth place with $4.9 million, while Tom Cruise action flick "Edge of Tomorrow" was 10th with $3.7 million.