Here are the 3 big things we're watching in the stock market in the week ahead

The SpaceX IPO is behind us. The earnings calendar is mostly quiet. Taking center stage is the state of play between the U.S. and Iran and the first Federal Reserve meeting with Chairman Kevin Warsh in charge. Here's a closer look at what we're watching in the holiday-shortened trading week ahead. 1. Iran war: Are we finally getting a peace deal to end the fighting and reopen the vital Strait of Hormuz? It's become hard to follow all the back-and-forth on negotiations between the U.S. and Iran. …