Hollywood insiders explain why 'Elio' had such a bad box-office opening for Pixar and why it could rebound before the summer ends.

Pixar has just suffered its worst-ever opening-weekend box office bomb after its latest animated film, Elio, grossed just $21 million domestically. The space-themed family adventure, which follows an orphaned boy who gets abducted by friendly aliens,

Disney's animated adventure 'Elio' failed to lift off at the box office, underscoring Pixar's continued struggle to launch original films.