Trump's State of the Union, Lowe's earnings, Panera Bread's value menu and more in Morning Squawk

Here are five key things investors need to know to start the trading day.

S&P 500 closes lower Thursday as Nvidia post-earnings slump hangs over market: Live updates

The S&P 500 pulled back on Thursday as the latest results from tech titan Nvidia and software giant Salesforce weren't enough to boost the broader market.