Welcome to Market Catalyst. I'm Ally Canel. We're 30 minutes into the US trading day.Let's get to the three market catalysts we're watching this hour. First up, President Trump set to address world theaters at the United Nations. We'll break down what it means for trade policy.Plus, analysts celebrate Nvidia's 100 billion dollar investment in open AI. We'll discuss what both companies get out of the deal and we'll look at the pressure networks face from both Washington and their own station partners as Disn ...