Margin Call. I have no idea why it wasn't more well-known. Kevin Spacey, Jeremy Irons, Zachary Quinto, Paul Bettany, Demi Moore, Aasif Mandvi, Stanley Tucci. It's about a thinly-disguised Goldman Sachs realizing the housing market was about to collapse in 2008 and unloading all their toxic assets in a single day.