Nasdaq 100 Drops 2% as AI and Chip Stocks Crater on CPI

US equities closed sharply lower Wednesday, led by a rout in artificial-intelligence and semiconductor shares after a hotter-than-expected inflation print. The Nasdaq Composite fell 511.51 points, or 1.88%, to 26,692.87 — its worst session since July 23. The Nasdaq 100 dropped 618.66 points, or 2.02%, to 29,950.82, and the S&P 500 lost 86.51 points, or 1.11%, to close at 7,718.94. Both declines were the largest since July 29.

Context — why the CPI print mattered so much

Headline inflation rose 3.7% year over year, above the 3.6% consensus, according to the CPI report released Wednesday. That single tenth of a percentage point reset the rate conversation and landed directly on the most duration-sensitive part of the market: long-duration growth equities.

Treasury yields jumped immediately after the release. The US 2 year yield reached a high of 4.95%, while the US 10 year yield touched 5.329% intraday. Higher discount rates compress the present value of profits that sit far in the future, which is precisely how AI and semiconductor names are valued.

Yields then retreated from those peaks as stocks sold off and investors sought a safe haven in Treasuries. By the close the 2 year was still 1.9 basis points higher at 4.812%, but the 10 year had turned lower, down 1.9 basis points at 5.198%. That divergence matters: the front end held its inflation-driven move while the long end caught a defensive bid.

The Dow Jones Industrial Average was the outlier, falling just 48.98 points, or 0.09%, to 51,626.17. Its composition is far less exposed to the AI complex, which is why it barely registered the damage.

The selling was not confined to technology. The Russell 2000 dropped 53.84 points, or 1.93%, to 2,729.53, showing that small caps were hit almost as hard as the Nasdaq Composite despite having far less direct AI exposure.

Data — what the numbers show

Wednesday's losses were concentrated rather than broad. The Dow's 0.09% decline against the Nasdaq 100's 2.02% drop is a spread of nearly two full percentage points, an unusually wide gap between the two benchmarks on a single session.

Within AI and chip infrastructure, the damage was severe. CoreWeave fell 15.46%, Nebius lost 10.08%, Credo Technology dropped 9.62%, Lumentum slid 9.28%, and Coherent declined 9.19%. Bloom Energy lost 9.15%, Marvell Technology 8.72%, Astera Labs 7.72%, Arm Holdings 6.81%, and GE Vernova 6.20%.

SK Hynix fell 6.06%, Monolithic Power Systems 5.79%, AMD 5.73%, and SanDisk 5.33%. Even the relative winners in the group took real damage: Texas Instruments fell 2.50%, KLA declined 2.82%, and Broadcom lost 3.10%. When a 2.5% to 3% decline ranks among the better outcomes, sellers controlled the group from open to close.

Among the Magnificent Seven, only Apple escaped, gaining 0.50%. Alphabet and Amazon each fell 1.74%, Microsoft lost 1.80%, Tesla dropped 2.15%, Nvidia slid 3.16%, and Meta shed 3.27%.

On the index level, the Nasdaq 100 closed below its 200-hour moving average near 30,145.

Analysis — what it means for markets and sectors

The break below the 200-hour moving average shifts the shorter-term technical bias toward sellers. The burden now sits with buyers to reclaim and hold that level; until they do, rebounds remain vulnerable to selling into strength.

Second-order exposure runs through the entire AI supply chain. Optical component makers like Lumentum and Coherent, custom silicon names like Marvell and Astera Labs, and IP licensors like Arm all sit downstream of hyperscaler capital spending. A repricing of AI infrastructure economics hits them before it hits the platforms that buy from them.

The counter-argument deserves weight. Wednesday's move was a valuation and rate shock, not evidence of deteriorating AI demand. The report contains no downgrade, order cancellation, or capex cut from any hyperscaler. If the rate move reverses, the same names that fell hardest have the most to recover.

The Russell 2000's 1.93% decline complicates the simple "rate shock hits growth" story. Small caps carry more floating-rate debt and weaker balance sheets than mega-cap tech, so a higher-for-longer rate path is arguably a bigger fundamental problem for them than for AI leaders.

Positioning looks defensive. The 10 year's reversal from its 5.329% high to close 1.9 basis points lower shows money moving into duration as equities fell, a classic risk-off rotation. Apple's 0.50% gain suggests investors rotated toward the least AI-levered mega-cap rather than exiting large-cap tech outright.

Outlook — what to watch next

Traders turn to Thursday's September PPI report at 8:30 AM ET, the next inflation test. Combined with Wednesday's CPI, the two prints will give traders and Fed officials a read on overall core PCE data.

On the Nasdaq 100, the immediate level is the broken 200-hour moving average near 30,145 — reclaiming it would ease pressure. The next major downside target is the 100-day moving average near 29,618.83, with a rising lower channel trendline nearby. A sustained break below both would raise the bearish bias toward the 28,822.67–28,953.26 swing area. To the upside, buyers would need to work through 30,634.67–30,762.20, which includes the 100-hour moving average near 30,665.

Frequently Asked Questions

Why did AI and chip stocks fall so much harder than the broader market?

AI and semiconductor shares carry the longest-duration earnings profiles in the index, meaning more of their value sits in future profits. When the 10 year yield spiked to 5.329% intraday after the 3.7% CPI print, the discount rate applied to those future cash flows rose sharply. The Dow, with far less AI exposure, fell only 0.09% versus the Nasdaq 100's 2.02%.

What does the Nasdaq 100 closing below its 200-hour moving average mean?

The 200-hour moving average near 30,145 is a short-term trend gauge. Closing below it hands the shorter-term bias to sellers, and rebounds become vulnerable to selling pressure at that level until buyers reclaim and hold it. The next downside reference is the 100-day moving average near 29,618.83, with the 28,822.67–28,953.26 swing area below that.

Did the CPI report change expectations for the Fed's next move?

Headline inflation at 3.7% versus 3.6% expected keeps inflation and the Fed's next move firmly in focus. The 2 year yield, the most rate-sensitive tenor, held a 1.9 basis point gain at 4.812% after touching 4.95%, while the 10 year reversed to close 1.9 basis points lower at 5.198%. Thursday's PPI at 8:30 AM ET is the next input.

Bottom Line

A hotter CPI print repriced rate-sensitive AI and chip names, and the Nasdaq 100's break below 30,145 hands near-term control to sellers.

Disclaimer: This article is for informational purposes only and does not constitute investment advice. CFD trading carries high risk of capital loss.