A sign is posted in front of a Broadcom office in San Jose, California, on Dec. 12, 2024.Justin Sullivan | Getty ImagesThis is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox.Here are five key things investors need to know to start the trading day:1. Broadcom's boonOpenAI made its latest artificial intelligence partnership official yesterday, announcing a custom chip deal with Broadcom. Shares of the chipmaker closed Monday's session nearly 10% higher following news ...

This is The Takeaway from today's Morning Brief, which you can sign up to receive in your inbox every morning along with: What we're watching What we're reading Economic data releases and earnings It pays to go premium. That's the clearest lesson from Delta's (DAL) strong performance this quarter, which came with the remarkable but not surprising forecast that most of its business will come from corporate and premium seats, overtaking economy fares, by 2027. Nobody needs to wait that long to figure o ...