The S&P 500 is Just 46 Stocks. 89% of the Economy is Flatlining | What We Learned This Week

This week’s Excess Returns Weekly Wrap looks at what Ian Cassel, Chris Mayer, Jim Paulsen and Elena Khoziaeva can teach investors about stock picking skill, inflation risk, AI, software moats, small caps and market concentration. Jack Forehand and Matt Zeigler break down clips on why elite investors can be wrong almost half the time, why today may not be the 1970s or the 1990s, how AI is affecting software businesses, and why the S&P 500 may be far less diversified than investors think.Topics CoveredWhy great stock pickers can be right only 49% of the time and still generate exceptional returnsThe role of outliers, magnitude and position sizing in long-term investing successJim Paulsen’s argument that today’s inflation backdrop is very different from the 1970sHow supply shocks, tariffs, commodities and labor force growth shape the inflation outlookBridgeway’s research on redefining the small-cap premium by excluding IPOs and fallen large capsWhy vertical market software may be more resilient to AI disruption than horizontal softwareHow the AI boom and new era economy are masking weakness in the rest of the economyWhy the S&P 500 may effectively be driven by fewer than 50 stocks despite having 500 namesWhat management meetings can and cannot add to a stock picker’s processWhy patience, conviction and independent business verification may be enduring investing edgesTimestamps00:00 Intro and episode preview05:30 Why outliers drive stock picking returns09:58 Why today’s inflation may not be the 1970s17:27 Rethinking the small-cap premium24:11 AI disruption and vertical market software32:04 The AI boom versus the rest of the economy37:04 Why the S&P 500 acts like 46 stocks46:09 What investors can learn from management teams53:32 Why today’s tech boom is not the 1990s58:34 Patience, conviction and the last investing edge01:05:32 Closing thoughts and Excess Returns Substack