Table of Contents Expand Table of Contents Most of the S&P 500's top stocks this year are directly tied to AI. Michael Nagle / Bloomberg / Getty Images Close Key Takeaways The U.S. stock market entered the final quarter of the year near record highs, boosted by soaring AI stocks that have become increasingly critical for the market's performance. The Mag 7's "share prices are a daily referendum on whether AI is considered hype or reality,†wrote Christopher Gannatti, Global Head of Research at WisdomTree, in ...