Shhh…shut up. The stock market is trying to tell us something. The message begins with the chipmaker sector, which saw an electrifying surge of more than 100% in 2026 before hitting a wall in recent weeks. That selloff coincided with a rally in hyperscalers, which have forged a kind of market rivalry with chipmakers. But
Shhh…shut up. The stock market is trying to tell us something.
The message begins with the chipmaker sector, which saw an electrifying surge of more than 100% in 2026 before hitting a wall in recent weeks. That selloff coincided with a rally in hyperscalers, which have forged a kind of market rivalry with chipmakers.
But there have also been encouraging signs of life outside of AI trading. Since early June, the equal-weighted S&P 500 has comfortably outperformed its market-cap-weighted counterpart. The takeaway? The stock’s strength has spread beyond a few winners to a broader portion of the market.
It’s a stark departure from recent history, which has seen immense outperformance of the cap-weighted S&P 500 since the AI boom took hold in 2023:
The message is clear: Investors are widening their bets. AI trading is entering a new phase and the rally is spreading beyond its traditional leaders. If history is any indication, the widening is a bullish sign. It implies that confidence is spreading throughout the market and naturally protects rallies, making them more durable.
Morgan Stanley CIO Mike Wilson, as usual, has been in all of this. He has been talking for weeks about an expansion of the market. A recent report details four reasons:
- Accelerate profit growth in more sectors
- Expanding AI adoption
- An eventual drop in oil prices, and
- A Federal Reserve that the company expects to remain on hold with rate hikes
Wilson goes one step further and points out consumer discretionary and transports as his top two sector picks, noting that they have already outperformed the S&P 500 by 12% over the past two months.
What’s more, Wilson believes the expansion of AI has room for a return of the hyperscaler. He notes that hyperscalers have already ripped off the Band-Aid by promising immense capital spending in the coming years, while chipmakers are only now feeling the pressure.
It’s a sentiment that Ben Snider, head of US equity strategy at Goldman Sachs, recently shared with BI. His argument focused more on valuation, noting that hyperscalers were recently trading near the bottom of their long-term range and were due to recover.
For investors willing to listen, the market’s message is not that AI trading is fading. It’s that leadership is changing in a healthy way. The best rallies don’t depend on a single group of stocks to sustain them. They find new leaders, attract new sectors and expand their base. The current one appears to be doing just that.