What is driving the move

The wave of selling in semiconductor stocks is not a single-day event — it represents a reassessment of earnings prospects for the chip sector after months of astronomical expectations fueled by AI optimism.

Analyst skepticism bites: Warnings from Morgan Stanley and Goldman Sachs that AI chip revenue for 2026 and 2027 may have exceeded realistic production capacity and demand trajectories are beginning to be priced in. According to research from these institutions, there are clear parallels to the over-exuberance cycle seen during the crypto mining boom between 2020 and 2022 — where extraordinary demand was followed by a brutal correction.

Geopolitical risk in the supply chain: Trade policy tensions between the US and China continue to pressure the semiconductor supply chain. Tariffs and trade barriers on semiconductor components are complicating global production routes, increasing cost uncertainty for chip manufacturers (Reuters). TSMC's factory in Arizona, which was scheduled to begin high-volume production in late 2024 or early 2025, represents a long-term buffer — but offers little short-term relief.

The AI growth narrative hits a wall: Semiconductor demand has been supported by two pillars — AI/data centers and crypto mining. The crypto mining market was valued at $1.5 billion globally in 2024, with ASIC and GPU demand contributing to pressure on chip supply. But this dual demand driver is now working against the sector: as crypto sentiment deteriorates (F&G at 27) and the AI investment cycle comes into question, the narrative foundation for historically high multiples is crumbling.

Macro context: The dollar (DXY) remains strong, pressuring international revenues for American technology exporters. The 10-year US Treasury yield remains elevated, further compressing valuations for high-duration technology stocks. Risk-off signals are consistent across asset classes.

"The market is beginning to ask the uncomfortable question: what if AI chip revenue for 2027 is already priced in — and then some?"

Insurance stocks cushion the index decline: According to the Nasdaq report, strong earnings in the insurance sector provided a positive counterweight. This is a classic risk-off pattern — capital rotating from growth/technology into defensive sectors with predictable cash flows.

Key figures

25,520
Nasdaq Composite
-1.40%
Daily change
7,457
S&P 500 level
-1.02%
S&P 500 daily change
52,146
Dow Jones Industrial Average
-0.77%
Daily change
>-2%
SOX semiconductor index
27/100
Fear & Greed (cross-asset)
S&P 500 falls 1% and Nasdaq loses 1.4% — semiconductor stocks drag technology lower for second consecutive day - Bilde 1

Sector overview

Technology and semiconductors — the epicenter

The semiconductor sector is the clear underperformer. The Philadelphia Semiconductor Index (SOX) lost more than 2% — a move that translates to billions in market capitalization in a single trading day. Major chip names, including those with the greatest AI exposure, had their multiples compressed as investors repriced the risk premium.

It is worth noting that Nvidia rose nearly 140% year-to-date in the first half of 2024 — a rally driven by overlapping AI and crypto mining demand. Stocks that have seen such moves are particularly vulnerable to rapid repricing events when the narrative foundation falters. As of July 17, 2026, the market appears to be retesting the sustainability of these valuations.

Financial sector — relative strength

Insurance stocks delivered strong quarterly results and served as an anchor for the Dow Jones. The financial sector broadly showed resilience, posting modest declines compared to tech. This is consistent with an environment where interest rates remain elevated — favorable for bank margins, but problematic for growth stocks.

Defensive sectors — safe haven

Staples, utilities, and healthcare showed limited losses or flat trading, confirming the defensive rotation. Volume in these sectors increased relative to normal — a signal that institutional capital is actively repositioning.

The semiconductor sector is down more than 2% in a single day — and the selloff has yet to find a clear technical support level
S&P 500 falls 1% and Nasdaq loses 1.4% — semiconductor stocks drag technology lower for second consecutive day - Bilde 2

Technical picture

S&P 500

Support/resistance: 7,457 is the current level following today's decline. The next meaningful support lies around 7,350–7,380, corresponding to the 50-day moving average based on the index's technical structure. To the upside, 7,550 has now become resistance following the breakdown.

RSI: The S&P 500 RSI on the daily chart is approaching the 40 level — not yet oversold, but below the neutral 50 threshold. There is room for further downside before technical buy signals are triggered.

Volume: Selling volume was above the 30-day average, indicating conviction behind the move — not merely thin liquidity.

Nasdaq Composite

Support/resistance: 25,520 is the closing price, but the psychological level of 25,000 is the next round-number support to watch. Resistance is now at 26,000.

MACD: On the daily chart, the MACD is converging toward a bearish crossover — a signal that, if confirmed tomorrow, could attract additional algorithmic selling.

Term structure (VIX): Implied volatility is rising. A VIX corridor above 18–20 is a warning signal for position sizing.

Philadelphia Semiconductor Index (SOX)

SOX is testing critical support — a break below the 200-day MA could open the door to a correction scenario of 8–12% from current levels

The semiconductor index is technically vulnerable. After SOX was lifted in 2024 by dual demand from AI and crypto, valuations have been set high. A break below key technical levels will likely trigger stop-loss cascades in a sector with high retail and ETF exposure.

What to watch

Upcoming macro data and events:

  • US Q2 earnings season continues next week with semiconductor names reporting — these will set the tone for whether the repricing has run its course or whether more is to come
  • FOMC minutes from the latest meeting may provide further insight into "higher for longer" signals; the bond market is watching closely
  • Michigan Consumer Sentiment on Friday — a weak reading could amplify the risk-off move
  • Geopolitical developments in the semiconductor supply chain: Any new measures from Washington or Beijing related to chip export controls will generate immediate market reactions

Price levels to watch:

  • S&P 500: Watch 7,350 as critical support; a break opens the door to a test of 7,200
  • Nasdaq: 25,000 is the key psychological level; below this, algorithmic selling could accelerate
  • SOX: Any technically confirmed breakdown below the 200-day moving average should be viewed as a warning signal for the entire tech sector
  • VIX above 22: Would signal that hedging activity is escalating — and that institutional players are further reducing beta exposure
"Two consecutive losing days, semiconductors under pressure, and a Fear & Greed Index at 27 across asset classes — this is not noise, this is a regime shift that demands disciplined risk management"

Sources: Nasdaq Markets, Reuters, Bloomberg, Goldman Sachs Research, Morgan Stanley Research, Philadelphia Stock Exchange (SOX data)