Horror movies are often one-week wonders at the box office, but Ryan Coogler’s “Sinners” is defying the odds and proving to be true event cinema.

Ryan Coogler's horror film is on its way to becoming only the fourth horror film ever to gross $200 million in the U.S.

When a movie has its second weekend at the box office, the baseline expectation is that ticket sales will drop about 50 percent. If it has particularly strong hype going for it, that drop may be closer to 40 percent,