Live: S&P 500 notches 3-day win streak, Nasdaq jumps 1% as SpaceX and Tesla rally [https://www.cnbc.com/2026/10/20/stock-market-today-live-updates.html?__source=iosappshare%7Ccom.apple.UIKit.activity.CopyToPasteboard](https://www.cnbc.com/2026/10/20/stock-market-today-live-updates.html?__source=iosappshare%7Ccom.apple.UIKit.activity.CopyToPasteboard)