Chip Rally Reverses as ARM Crashes 10%; Datadog Soars 31%, Whirlpool Signals “Recession-Level” Demand

Wall Street’s five-session winning streak came to an abrupt end Thursday as a dramatic reversal in semiconductor stocks—led by Arm Holdings’ 10% plunge on supply constraints—clashed with explosive gains in enterprise software, producing one of the most bifurcated sessions of 2026. The S&P 500 slipped 0.38% to 7,337.11, with the Dow shedding 313 points (−0.63%) and the Russell 2000 bearing the heaviest losses at −1.63%. The tech-heavy Nasdaq held up better, dipping just 0.13%, as massive surges in Datadog (+31%), Fortinet (+20%), and SiTime (+28%) partially offset the semiconductor carnage.

Beyond the tech rotation, a darker undercurrent emerged in consumer-facing names. Whirlpool crashed nearly 12% after halving its full-year earnings guidance, with its CFO warning that appliance demand “hasn’t been this low since the great financial crisis.” McDonald’s echoed the concern, flagging that gas prices linked to the Iran conflict are disproportionately hurting low-income consumers. The consumer strain narrative, combined with oil’s 2.7% rebound, added an unwelcome counterweight to the morning’s optimism.

The Federal Reserve held its benchmark rate steady at 4.25–4.50% as widely anticipated, but the decision barely registered on traders’ screens as corporate earnings dominated the session from open to close.

Closing Scoreboard

What Happened

After hitting a fresh record close on Wednesday—capping a rally that had lifted the S&P 500 roughly 15% from its March lows—markets opened Thursday to an entirely different dynamic. Arm Holdings set the tone before the bell, sliding 10% after flagging supply constraints for its next-generation chip designs despite posting a record fiscal year. The report raised uncomfortable questions about the gap between AI enthusiasm and near-term execution, sending a chill through the semiconductor complex that had led the previous week’s rally.

AMD, which had surged 14.8% on Wednesday in what we characterized as a “semiconductor supercycle” session, gave back 3.1% on classic profit-taking. Marvell Technology dropped 7.1%, Broadcom fell 3.0%, and Intel retreated 3.0%. The Philadelphia Semiconductor Index erased a substantial portion of its recent gains in a single session.

But the losses in chips were met with an equal and opposite force in enterprise software. Datadog delivered one of the most emphatic single-day earnings reactions in 2026, soaring 31.3% on a blowout quarter that smashed revenue and earnings expectations. Fortinet surged 20.0% on a strong cybersecurity print, and SiTime—a precision timing semiconductor company—jumped 27.9%. The message from the market was clear: investors are willing to pay up for companies delivering tangible AI-driven revenue, not just those promising it.

The consumer economy, meanwhile, flashed warning signs that couldn’t be ignored. Whirlpool’s decision to halve its full-year guidance and suspend its dividend was a gut-punch, with management explicitly comparing current appliance demand to financial-crisis levels. Planet Fitness cratered 31% on its own earnings miss, while McDonald’s warned that surging gas prices—a direct consequence of the Iran–Hormuz disruption—are squeezing its lower-income customer base. The trifecta of consumer weakness painted a worrying picture for the broader economy.

Mega-Cap & Key Movers

Sector Breakdown

Only two of eleven sectors managed to close in the green, and barely at that. Communication services (+0.03%) and consumer discretionary (+0.01%) were flat-line positive, buoyed by Tesla’s 3.3% gain and Meta’s 0.6% advance. Technology (−0.20%) masked enormous internal dispersion: software names surged while semis collapsed. Materials (−1.93%) and energy (−1.84%) were the worst-performing sectors, with the oil rebound failing to lift energy stocks as investors questioned whether higher crude prices will ultimately crimp demand.

Global Markets

Asia-Pacific

The overnight Asian session delivered fireworks of its own. South Korea’s KOSPI surged 6.5% to 7,384.56, blasting through the 7,000 level for the first time as Samsung Electronics rallied 14% to join the trillion-dollar market cap club. The exuberance was driven by a wave of AI investment commitments and expanded chip export agreements. Japan traded lower, with the iShares MSCI Japan ETF (EWJ) closing down 0.75%, while Chinese equities softened modestly with FXI down 0.80%.

Europe

European markets posted significant losses. The Vanguard FTSE Europe ETF (VGK) fell 2.19%, with Germany (EWG −2.23%) and the United Kingdom (EWU −2.47%) leading the decline. European weakness was broad-based, reflecting both a risk-off tone ahead of the Fed decision and lingering concerns about the continent’s exposure to elevated energy costs from the Hormuz disruption.

Fixed Income & Commodities

Treasury yields held remarkably steady despite the equity volatility. The 10-year yield settled near 4.36%, essentially unchanged, while the 2-year hovered around 3.87%. The 2s/10s spread remained at +49 basis points, reflecting a normalized yield curve that continues to argue against an imminent recession even as consumer data deteriorates. The Fed’s decision to hold rates was fully priced and elicited no meaningful bond market reaction.

Gold was essentially flat at $4,696.00, up a negligible $1.70. The yellow metal’s inability to rally on a risk-off day suggests the safe-haven bid has shifted to other assets, or that Thursday’s selloff was too orderly to trigger genuine fear. Silver outperformed with a 2.1% gain. The dollar index firmed modestly to 98.24 (+0.22%), supported by higher oil and safe-haven flows from European weakness.

Bitcoin dropped 2.16% to $79,663, pressured by both the broader risk-off mood and the after-hours Coinbase earnings miss, which underscored the crypto industry’s ongoing revenue challenges.

Corporate News

ARM Holdings: Supply Constraints Darken AI Chip Outlook

Arm Holdings reported a record fiscal year with licensing revenue growing 29% year-over-year to $819 million, but the stock cratered 10.1% after management flagged supply constraints for next-generation chip designs. Bank of America noted a growing gap between AI enthusiasm and ARM’s limited near-term execution capacity. Wells Fargo had recently raised its price target to $220 from $175, a level the stock fell well below on Thursday. The report triggered a re-evaluation of semiconductor valuations across the board.

Whirlpool: Consumer Demand at Financial-Crisis Lows

Whirlpool delivered the most alarming corporate commentary of the session, halving its full-year earnings guidance and suspending its dividend. Revenue dropped roughly 10%, with North American appliance sales tumbling 7%. The company has already enacted a 10% price hike in April and announced a further 4% increase for July, yet the CFO warned that appliance demand “hasn’t been this low since the great financial crisis.” The Iran conflict’s impact on gas prices was cited as a direct headwind for consumer budgets.

Software Earnings Blow Past Expectations

Datadog’s 31.3% surge was the standout of the session—the largest single-stock percentage gain among S&P 500 constituents on the day. The observability platform beat on both revenue and earnings per share, signaling that enterprises are accelerating cloud-native and AI-driven infrastructure spending. Fortinet followed with a 20% jump on strong cybersecurity demand, and SiTime’s 27.9% gain confirmed that precision timing chips are riding the AI infrastructure buildout wave.

Economic Data

Initial jobless claims rose to 200,000 from 190,000 the prior week, a modest increase that keeps the labor market firmly in healthy territory. The four-week average remains well below historical stress levels. While the uptick drew brief attention at the open, the absolute level continues to argue for a resilient employment picture even as consumer sentiment deteriorates.

After-Hours Movers

Coinbase was the after-hours headline, sliding 5.7% after reporting its second consecutive quarterly loss amid a broader crypto trading slowdown. Revenue missed estimates as Bitcoin’s decline below $80,000 crimped trading volumes. Airbnb held steady after reporting results roughly in line with expectations. Datadog pulled back modestly from its monster session, and ARM continued to drift lower.

The AlphaEdge Take

Thursday’s session was not a market breakdown—it was a market rebalancing, and an overdue one at that. After five consecutive gains fueled almost entirely by semiconductor fever, investors rotated with surgical precision: out of the chip stocks whose valuations had stretched beyond near-term fundamentals, and into the software platforms proving they can monetize the AI infrastructure buildout right now. Datadog’s 31% surge and ARM’s 10% crash aren’t contradictory signals; they’re complementary ones. The AI trade is maturing from “buy the picks and shovels” to “show me the revenue.”

What concerns us more than the tech rotation is the consumer signal. Whirlpool invoking financial-crisis comparisons, McDonald’s warning about low-income customers, and Planet Fitness missing on membership trends—all in a single session—is not a coincidence. It’s a pattern. The Iran–Hormuz situation continues to keep energy costs elevated, and Thursday’s 2.7% oil bounce suggests the market is far from convinced that diplomatic progress will translate into lower pump prices anytime soon. If crude stays near $100, consumer discretionary earnings will face persistent headwinds through the summer.

The most telling statistic of the day may be the VIX: it actually fell 1.78% to 17.08 even as the S&P 500 broke its winning streak. That’s the market saying this is orderly profit-taking, not the start of a correction. The yield curve at +49 basis points, the 10-year steady at 4.36%, and initial claims still anchored at 200,000 all support the soft-landing narrative. But the divergence between boardroom confidence in AI and consumer-level economic pain is widening, and it’s a tension that Friday’s session will need to resolve—or at least acknowledge.