This is an updated version of a story first published on Oct. 12, 2025. The original video can be viewed  here .  The stock market has been steadily rising for many months now, despite occasional volatility around issues like tariffs and war. This resilience got us thinking about booms, busts, and bubbles, so we decided to talk to one of the country's top financial reporters: Andrew Ross Sorkin.  As we first reported in October, Sorkin had just written a book called "1929" about the market