I don't have a clip to post but earlier today I was thinking about a scene from "Pretty Woman". In case you haven't seen it, the main characters are Vivian, a young prostitute (Julia Roberts), and Edward, a 40-something investment banker (Richard Gere), who get together by chance and eventually become real lovers.
It's a very entertaining film and in one early scene, Vivian, who has been trying to find out exactly what Edward does for a living, learns the truth, which is that Edward doesn't "make anything" and he doesn't "build anything" and she seems a bit flabbergasted by this information. By the end of the film, Edward has decided that what he does - buy up businesses and sell them off piecemeal, like "stealing cars and selling the parts" as Vivian puts it - is indeed non-productive and a source of life-oppressing consternation for him, and, much to the dismay of his attorney, Edward partners with the owner of a large company he's been trying to buy, so they can "build ships together - great big ships."
The thing is, I've had a sort of fixation about that movie, wondering what it was about the story that made me want to watch it again and again. And this is it: The message is that financial speculation isn't what drives an economy, and the people engaged in it aren't happy and really are only half alive. This theme is woven throughout the script. No wonder it became a classic.