 We're coming up to 530 on Wall Street. Good morning. I'm Nathan Hager. And I'm Karen Moscow. We are just about four hours away from the open of U.S. trading. Let's get you up to date on the news you need to know at this hour. Former President Donald Trump has made his first public appearance since the attempt on his life last Saturday on the first night of the Republican National Convention in Milwaukee. He is here tonight to show his courage, his defiance against somebody who tried to kill him.