The SPX and NDX both hit new record highs on the week's first session ahead of a highly anticipated FOMC interest rate decision. The Mag 7 led trading action, from Nvidia's (NVDA) latest headwinds to China, Elon Musk's $1 billion purchase of Tesla (TSLA) shares, and Alphabet's (GOOGL) market cap milestone. Marley Kayden takes investors through the biggest stories of the session.