A documentary about First Lady Melania Trump surpassed most estimates for its opening box office revenue. Here's a look at what may have helped the film's success, why the film can't be called a success story for Amazon.com Inc (NASDAQ:AMZN) yet, and the early international box office figures being turned in. “Melania” Box Office Performance ‘Melania' grossed an estimated $7 million in its opening weekend, which beat expectations that were in the $2 to $5 million range. The film also posted one