By Business Wire Cinemark Holdings, Inc., one of the world’s largest and most influential movie theatre companies, is celebrating cinema’s favorite snack on National Popcorn Day on Wednesday, Jan. 19, by giving moviegoers the chance to win free popcorn for an entire year. More information on this irresistible holiday can be found at Cinemark.com/popcornday. “Our golden, buttery popcorn is as iconic as our massive silver screens, and we are delighted to celebrate one of the true stars of any movie this National Popcorn Day,” said Phillip Couch, Cinemark EVP Food & Beverage. “Popcorn so truly en…