Chip Stocks Selloff Extends as Qualcomm and Arm Disappoint: AMD, Sandisk and Micron Plunge Up to 17% While the Nasdaq Falls 6%
- November 6, 2026
- Posted by: Chaitanya Auti
- Category: News
Philadelphia Semiconductor Index about -12.2% (close), AMD -17.3%, Micron -17.5%, Qualcomm -9.5%, Nvidia -9.3%. Nasdaq 100 -6.36%. Press reports, 5 Nov 2026.
Quick Answer
Chip stocks selloff deepened on 5 November 2026 after Qualcomm’s weak forecast and Arm’s soft royalty revenue, with AMD down about 17% and the Philadelphia Semiconductor Index down about 12%. Worries over limits on AI data centres added to the fall; Indian IT stocks rose.
Chip stocks selloff deepened on Thursday, 5 November 2026, after Qualcomm’s weak forecast and Arm’s soft royalty revenue, with AMD down about 17% and the Philadelphia Semiconductor Index down about 12% at the close, per press reports. Worries over possible limits on AI data centres added to the fall, and the Nasdaq 100 fell 6.36%. Figures below come from Reuters-based and Yahoo Finance reports and may differ by source and time. This guide explains the fall and what it could mean for Indian investors. It is not investment advice.
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Chip Stocks Selloff: The Numbers
| Stock or index | Move on 5 November | Note |
|---|---|---|
| Philadelphia Semiconductor Index | Down about 12.2% at the close | Largest one-day fall since 16 March 2020; Reuters showed about 9.75% intraday |
| AMD | Down about 17.3% | Among the largest falls |
| Micron | Down about 17.5% | Also paused a Taiwan plant plan |
| Sandisk | Down about 22% | After a 7% fall the day before |
| Nvidia | Down about 9.3% | About USD 447 billion of market value lost |
| Broadcom | Down about 10.4% | |
| Qualcomm | Down about 9.5% | Forecast missed expectations |
| Arm Holdings | Down about 13% | Revenue guidance was above consensus but not enough |
The headline figure of 9.7% for the semiconductor index reflects an intraday reading, while the close was lower at about 12.2%, which is why different reports quote different numbers. Yahoo Finance noted the index still held roughly 25% gains for 2026 after the fall.
Why Did Qualcomm and Arm Trigger the Fall?
| Company | What happened |
|---|---|
| Qualcomm | Gave an underwhelming profit forecast; handset chip revenue missed estimates; higher-cost components weighed, per Yahoo Finance and BigGo |
| Arm Holdings | Reported revenue and profit above estimates, but royalty revenue of USD 670 million, up 8%, fell short of forecasts |
| Micron | Paused plans for a Taiwan plant because of labour disputes, per Yahoo Finance |
| Sandisk and memory peers | Fell sharply as investors sold AI-linked memory names |
Arm’s case shows how high expectations are. A result above consensus still disappointed buyers who had priced in a bigger beat. That is typical of a crowded trade, where good news is not enough.
The Data-Centre Regulation Worry
Yahoo Finance reported that chip stocks fell even as the broader market rallied the day before, because investors feared stricter regulation could slow data-centre construction. The Mint summary also refers to worries about potential restrictions on AI data centres. Data-centre spending drives demand for AI processors and memory, so any hint of limits reaches chip makers first. I could not confirm details of any proposed rules, so read the original reports before drawing a conclusion.
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What It Means for Indian Investors
| Channel | Likely effect |
|---|---|
| Opening | Gift Nifty pointed to a weak start on 6 November |
| Direct exposure | India has few listed chip makers, so the direct effect is small |
| IT stocks | Nifty IT rose 2.4% on 5 November, and Reuters noted IT often moves opposite to chip stocks |
| Foreign flows | Foreign investors bought about Rs 14,975 crore of Indian shares on 5 November |
| Asia | Kospi and Nikkei fell sharply on 6 November on the same worries |
The Nifty 50 and Sensex rose about 2.4% on 5 November, before the US fall. Whether Indian stocks hold depends on whether the selloff extends. Our separate articles cover the wider AI bubble debate and the Kospi crash.
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What to Watch Next
| Watch item | Reason |
|---|---|
| US index futures | They show whether the fall is extending |
| Nvidia results and guidance | It is the bellwether for AI spending |
| Data-centre rules | Any formal restriction would hit AI hardware |
| Memory prices | They drive Micron, Sandisk and SK Hynix |
| Foreign flows into India | They can change quickly in a global risk-off phase |
Conclusion
The chip stocks selloff was triggered by Qualcomm and Arm but deepened on worries over AI data-centre limits. For Indian investors the effect is mostly indirect, so watch Gift Nifty, foreign flows and Wall Street before reacting.
Disclaimer: Data and figures in this article are sourced from publicly available information. These may or may not be accurate. Please verify all data with the official NSE (nseindia.com) and BSE (bseindia.com) websites before making any investment decision. Investments in securities are subject to market risk. This content is for educational purposes only and is not investment advice by Univest (SEBI RA INH000013776).
Frequently Asked Questions on the Chip Stocks Selloff
What caused the chip stocks selloff on 5 November 2026?
Ans. Press reports point to Qualcomm's weak forecast, Arm's royalty revenue falling short, Micron pausing a Taiwan plant and worries that stricter rules could slow AI data-centre construction. The selloff extended a fall from the previous session.
How much did the semiconductor index fall?
Ans. The Philadelphia Semiconductor Index fell about 12.2% at the close, its largest one-day fall since March 2020. Reuters showed about 9.75% intraday, which is why the headline figure differs.
Which chip stocks fell the most?
Ans. Sandisk fell about 22%, Micron about 17.5% and AMD about 17.3%, per press reports. Nvidia fell about 9.3%, Broadcom about 10.4%, Qualcomm about 9.5% and Arm about 13%. Intraday and closing figures differ.
Why did Arm fall after beating estimates?
Ans. Arm's revenue and profit were above estimates, but royalty revenue of USD 670 million, up 8%, fell short of forecasts. Investors had priced in a bigger beat after the AI rally.
Will the chip selloff hit Indian stocks?
Ans. It can weigh on the opening. India has little direct exposure, and IT stocks rose 2.4% on 5 November. The effect depends on whether US selling extends and whether foreign investors keep buying.
Are Indian IT stocks affected by chip stocks?
Ans. The link is loose. Reuters noted Indian IT stocks often move opposite to chip stocks. A long slowdown in US technology spending could affect demand, but that is a risk and not a forecast.
Is this the end of the AI rally?
Ans. No one can say from one session. The index still held about 25% gains for 2026 per Yahoo Finance. Earnings, guidance and data-centre rules will show whether the trend changes.
Should I sell technology stocks now?
Ans. Univest cannot give personal advice. Selling after a sharp fall can lock in losses, while holding carries risk. Review your allocation, time horizon and risk tolerance, and consult a SEBI-registered adviser.