A Truth Social post from President Trump sent markets spiraling on Friday — while another sent markets soaring on Monday. This time, Trump took some of the color out of his stance on tariffs against China. Broadcom (AVGO) took market leadership as a top performer in the SPX thanks to its new deal with OpenAI. JPMorgan Chase (JPM) aims to make $10 billion in new investments toward companies it deems critical to national security. Marley Kayden takes investors through the top stories in a busy start to the trading week.