Tech Selloff Hits AI Boom Valuations

That is the core of the trade-off investors are now pricing. AI infrastructure still looks like a secular growth story, but the market no longer wants to pay peak multiples for companies that may be turning more of their cash generation into data centers, chips, servers and power capacity. Truist strategist Keith Lerner said tech is now trading below its 10-year average price-to-earnings ratio, a sign that valuation support is fading as earnings expectations come down.

The charts point to more than just a valuation reset. The P/E compression suggests investors are pulling back on how much future growth they’re willing to pay for, while the historical comparison implies there may still be room for further downside if this becomes a longer de-risking phase. That is why the Nasdaq 100’s heavyweights matter so much: when the market starts punishing the highest-quality balance sheets, it usually reflects fear that the old growth model no longer deserves automatic trust.

For investors, the implication is clear. The winners from this phase are unlikely to be the same stocks that dominated the first leg of the AI trade. The market is moving toward a more selective setup, where firms that can monetize AI spending quickly, or sell the picks-and-shovels behind it, may outperform the hyperscalers funding the buildout. Semiconductor leaders, power and cooling suppliers, network infrastructure names and select data-center plays could hold up better than the most expensive platform stocks if this rotation deepens.

The broader macro backdrop is not helping. Treasury yields are still elevated, the yield curve remains relatively flat, and that combination makes long-duration growth valuations harder to defend. At the same time, tech’s weakness has been strong enough to ripple beyond the sector, with the selloff helping drag on broader market sentiment and forcing a rethink on whether the AI capex wave is a profit driver or a margin headwind in the near term.

That is why this plunge matters now: it is not just about one volatile week, but about whether the market is entering a more disciplined phase of the AI cycle. If investors keep demanding proof of monetization before rewarding spending, the next leg of performance will likely come from the infrastructure layer, not the companies writing the biggest checks. For long-term investors, that is exactly where the asymmetric opportunity may now be shifting.