Amazon (AMZN) has made a series of AI announcements today, including a new AI chatbot and an expanded partnership with Nvidia (NVDA). Meanwhile, shares of Pinduoduo (PDD) are surging after posting quarterly results that handily beat analyst estimates. Trending tickers on Yahoo Finance include PayPal (PYPL), Zscaler (ZS), and Block (SQ).

Top guests on Yahoo Finance Live today include:
3:05 p.m. ET - Ohsung Kwon, Bank of America US & Canada Equity Strategist
3:35 p.m. ET - Jennifer Grancio, TCW Head of Global Wealth
4:05 p.m. ET -Brett Ryan, Deutsche Bank Economist