Dave McNary Film Reporter“Spencer” — a drama starring Kristen Stewart as Princess Diana— has sold its U.S. rights to Neon, the production company behind last year’s Oscar-winner “Parasite.” Topic Studios will help distribute the film.Neon and Topic paid $4 million for the rights. The drama centers on a weekend in the early 1990s when Diana decided to separate from Prince Charles. “Jackie” director Pablo Larrain is on board to helm from a script by Steven Knight.