The leadership shakeup at Nvidia (NVDA) following Jensen Huang's resignation as CEO sent the Mag 7 stock plunging throughout the week. AMD Inc. (AMD) and Broadcom (AVGO) became key beneficiaries to Nvidia's volatility. On the Fed front, the October CPI brought a near-certain chance of an interest rate hike. Sam Vadas takes investors through the biggest headlines of a volatile trading week.