$890 Billion Tech Wipeout Puts Focus on Runaway AI Spending

3-line summary

• AI-related megacaps sold off together on concerns over runaway capex.
• Wall Street is reassessing the idea that Big Tech is no longer a cash-printing machine.
• Valuations across the broader AI trade are being re-examined.

Desk Analysis

The question has shifted from 'is AI capex continuing' to 'when does it turn into cash flow.' The spending levels themselves weren't new information — today's selloff reads more as investors getting stricter about the payback timeline than a change in the AI thesis itself.

Takeaway

Less a crisis of AI-cycle conviction than a test of patience on payback timing — could be an early signal of a valuation-regime shift.

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