UPDATE 1-'Transformers' turns into box office behemoth with $100 mln opening
June 29, 2014 at 15:05 PM EDT
LOS ANGELES/NEW YORK, June 29 (Reuters) - "Transformers: Age of Extinction," the fourth in the series of films about form-changing Autobot robots that save the planet, powered up with $100 million in box office sales, jump-starting a sleepy summer with the year's biggest opening weekend.