AI Infrastructure —
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What changed in the AI trade, and why it mattered.
AI infrastructure breadth deteriorated sharply across nearly every sub-sector this week, with dc-infrastructure and power now firmly below 50% of names above their 200DMA.
This is a broad-based technical rollover, not an isolated pocket of weakness: compute (100%->89%), semicap (100%->80%), networking (100%->75%) and dc-infrastructure (83%->50%) all lost breadth in a single week, while power breadth (already the weakest cohort at 50%) slipped further to 42%. A move this wide across the stack suggests the drawdown is systemic to the AI trade rather than stock-specific.
Compute · Semiconductor equipment · Memory · Networking · Servers · Data-centre infrastructure · Power · Hyperscalers · Neoclouds
Semicap equipment names broke down together: Onto Innovation (-4.1%), Lam Research (-3.7%) and Applied Materials (-3.6%) all fell, with KLA crossing below its 200DMA.
Semicap breadth dropped from 100% to 80% in a week; equipment makers are a leading indicator for fab capex commitments, so a synchronized break here is worth watching alongside Taiwan's fresh $20B US investment pledge, which is a bullish offset for the supply chain if it holds.
Compute · Semiconductor equipment· ONTO, LRCX, AMAT, KLAC, TSM· Source 1· Source 2
Dell fell 6.8% and Oracle fell 5.2% despite Dell reporting a strong quarterly beat cited as showing continued AI momentum.
A steep drop on an ostensibly bullish earnings beat is a notable divergence -- it suggests the market is pricing something beyond the headline number (e.g. margin, capex intensity, or guidance not detailed in the feed), and Oracle's parallel decline in hyperscaler shows the weakness isn't isolated to Dell.
Qualcomm crossed below its 200DMA today, the lone compute-cohort name to break down as compute breadth slipped from 100% to 89%.
Compute has been the strongest breadth cohort in the group; a single crack here is a smaller signal than the moves elsewhere but worth flagging ahead of Broadcom's earnings next week, a read-through catalyst for the same subgroup.
Memory and servers breadth held at 100% unchanged on the week, the only two cohorts untouched by this week's broad deterioration.
A quiet, unchanged reading in memory and servers stands out precisely because everything else moved; it suggests the selloff has not yet reached those parts of the stack, though Dell's earnings-day drop (servers) and upcoming HPE earnings are worth watching for whether that holds.
Memory · Servers· HPE
Published 02/09/2026, 15:43 UTC · claude-sonnet-5