Summary:
- The S&P 500 index reached a new all-time high of 6,900, reflecting continued optimism in the U.S. stock market.
- Trendy AI trading agents have been engaging in profit-taking, selling off positions to lock in gains from the market's rally.
- The article suggests that the stock market's performance and the trading activities of AI-powered agents are closely intertwined, with the latter potentially influencing the broader market dynamics.