Breaking

Chip Index SOX Posts Record Quarter Amid Sharp Swings

June 30, 2026 at 05:18 EDT

Infra & Chips
Finance

The PHLX Semiconductor Index (SOX) is on track for its best-ever quarterly return in the second quarter of 2026 (April–June), but a mix of sharp declines and rebounds in late June has reignited debate over whether the AI boom can be sustained.

Q2 2026 · Semiconductor Markets

Chip Stocks Post Their Best Quarter Ever — and Reignite the AI-Bubble Debate

The PHLX Semiconductor Index (SOX) surged ~74% in the quarter on data-center GPU and HBM demand. But late-June drops of 10%+ in a single week have investors asking how long the run can last.

~74%

SOX quarterly return — best on record

80%+

SOX year-to-date gain (SMH ETF +81%)

+93.9%

Global chip sales, April 2026 vs a year earlier ($110.5B)

Forward Revenue Growth — The Major Names

Column height is proportional to each company's projected forward revenue growth.

+199.8%

Micron

+81.4%

NVIDIA

+65.7%

Broadcom

+42.7%

AMD

Structural Bull Case

Record ~$975B industry sales forecast for 2026 (+26% YoY)
SK Hynix: quarterly profit up 5×, raising CapEx
Chips outperform software by the widest margin on record

The Skeptics' Worry

Weekly drops of 10%+ in late June; volatility surging
Samsung & SK Hynix fell ~12%, tripping a KOSPI circuit breaker
"Valuation compression" risk: P/E and P/S outrun profit growth
Micron up 8×+ in a year — is it sustainable?

The Near-Term Focus

Profit-taking, long AI-investment payback periods, and rate jitters from sticky CPI converged in late June — testing whether tight supply and durable demand can keep the historic rally alive.

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