The S&P 500 Is Only 50 Stocks. 70% of the Index Is in a Correction. Did the Sell-Off Already Happen?

<p>Paisley Nardini of Tema ETFs explores AI investing, S&amp;P 500 concentration, and how to build a portfolio around changing market risks. How can investors participate in powerful growth trends without making every holding a bet on the same outcome?</p><p>In this episode of Excess Returns, Paisley joins Jack Forehand and Justin Carbonneau to discuss the risks beneath a resilient stock market, why tomorrow’s AI winners may differ from today’s leaders, and where she sees opportunities in power and infrastructure. They also explore private-company exposure inside ETFs, the role of thematic funds alongside a passive core, and why knowing what you own matters more than the number of holdings in your portfolio.</p><p>Topics covered:</p><ul><li>What weak market breadth reveals beneath the headline indexes</li><li>Interest rates, midterm elections, and the limits of historical market patterns</li><li>Prediction markets as a source of information for investors</li><li>AI earnings expectations, debt financing, and the risk of slowing growth</li><li>Why bonds can provide income without reliably offsetting equity risk</li><li>Small-cap profitability and the importance of quality screens</li><li>AI bottlenecks, photonics, power demand, and infrastructure investment</li><li>Private-company exposure in ETFs: liquidity, fees, and investment rationale</li><li>Using thematic strategies as satellite positions around a passive core</li><li>Portfolio concentration, investment humility, and staying flexible</li></ul><p>Learn more about <a href="https://temaetfs.com/" rel="ugc noopener noreferrer" target="_blank">Tema ETFs</a>.</p><p>Follow <a href="https://x.com/paisitfwd" rel="ugc noopener noreferrer" target="_blank">Paisley Nardini on X</a>.</p><p>Timestamps:</p><p>00:00 Introduction and the risks beneath the market<br />04:37 Higher rates and the midterm election outlook<br />09:17 What investors can learn from prediction markets<br />13:36 AI growth expectations and changing market leadership<br />19:50 Portfolio risk, bonds, and faster market drawdowns<br />26:09 The AI bubble debate and small-cap quality<br />33:45 Who benefits from AI beyond the hyperscalers?<br />39:29 Energy infrastructure and putting AI to work<br />45:54 Private-company exposure inside ETFs<br />52:01 Where thematic investing fits in a portfolio<br />58:32 Commodities, S&amp;P 500 concentration, and humility </p><p>Learn more about the Excess Returns podcast network:<br /><a href="https://excessre