One signal

Chip stocks have found their nerve again. The Philadelphia Semiconductor Index added 3% in midday trades on Thursday, its third straight session of gains, and AMD was among the big gainers. That index holds the 30 largest chip stocks traded in the US, so a 3% day is a broad move, not a one-ticker affair.

Why it matters

The mood, per Investor's Business Daily, comes from reassuring forecasts on AI data centre spending, the very subject that knocked these shares about on Monday, when the worry was whether the AI build-out can keep paying for itself. Three days on, the same spending is the reason for the climb. A rally proves nothing about 2027 budgets, and sentiment is not a supply chain. But AMD leading both the fall and the recovery is its own signal: the sector is being priced one headline at a time. When a reassuring forecast can undo a week of AI-spending jitters in three sessions, is the chip trade tracking build-out economics or simply the mood?

Discuss: When a reassuring forecast can undo a week of AI-spending jitters in three sessions, is the chip trade tracking build-out economics or simply the mood?

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