Super Micro Computer Inc. (NASDAQ: SMCI) soared 15.7% Monday after fiscal third-quarter server revenue of $10.24 billion, up 122.7% year over year, cleared analyst estimates alongside non-GAAP earnings of $0.84 a share. The Nasdaq Composite slipped 1.3% to 26,167 as Alphabet, Amazon, and Palantir each fell roughly 5-7% on regulatory and valuation pressure, but the Philadelphia Semiconductor Index gained 2.4% to $655.01, a stark divergence underscoring continued demand for AI data-center hardware even as sentiment soured on the software and hyperscaler layer. The S&P 500 edged down 0.4% to 7,472.
Today's biggest movers
| Ticker | Close | Day | 1mo | YTD |
|---|---|---|---|---|
| $SMCI | $35.46 | +15.66% | +5.98% | +14.53% |
| $LRCX | $409.54 | +5.27% | +35.50% | +121.30% |
| $INTC | $140.94 | +5.19% | +18.94% | +257.90% |
| $AMAT | $640.18 | +3.74% | +49.80% | +138.10% |
| $AMD | $551.63 | +2.65% | +22.70% | +146.85% |
| $ARM | $407.72 | -7.22% | +36.71% | +255.37% |
| $PLTR | $119.50 | -6.98% | -13.04% | -28.81% |
| $ORCL | $175.07 | -5.00% | -7.75% | -10.55% |
| $GOOGL | $349.68 | -4.99% | -9.80% | +10.96% |
| $AVGO | $392.13 | -4.67% | -5.41% | +12.80% |
Super Micro surges 15.7% on AI server revenue beat
Super Micro Computer Inc. (NASDAQ: SMCI) closed at $35.46 after touching an intraday high of $36.80 on volume exceeding 124 million shares, roughly three times its recent daily average. The catalyst was fiscal Q3 2026 earnings: revenue of $10.24 billion grew 122.7% year over year, and non-GAAP earnings per share of $0.84 exceeded consensus estimates. The quarter confirms SMCI as a primary beneficiary of the AI server build-out, with direct-liquid-cooled rack systems winning design-ins at major US and Asia-Pacific cloud operators. Gross margin compression remains a watch item, with the figure declining to 3.2% in Q2 from 5.6% a year earlier as component costs and competitive pricing pressure bite. The Wall Street consensus per 13 analysts is Hold, with an average price target of $38.23, meaning Monday's close is now approaching the Street's median fair-value estimate. Supply-chain constraints in rack assembly and data-center deployment readiness among some cloud customers are the two risks cited most frequently.
Arm Holdings drops 7.2% as valuation call catches up with the rally
Arm Holdings plc (NASDAQ: ARM) was the session's sharpest faller in the chip complex, declining 7.2% to $407.72. New Street Research initiated the retreat on June 18 by cutting the stock from Buy to Neutral, arguing the year-to-date rally of more than 255% had stretched the trailing price-to-earnings ratio above 490 times, leaving essentially no margin of safety even if licensing and royalty trends remain intact. Full-year fiscal 2026 results showed revenue of $4.92 billion, up 23% year over year, with adjusted EPS of $0.85 - solid numbers the market had largely already priced in, per New Street. Monday also marks the effective date of the Nasdaq-100 semi-annual rebalance, which swapped in five new constituents and removed five, a mechanical shift that can amplify pressure on names where index weights are trimmed. Bernstein holds a contrarian view, raising its target to $500 and pointing to accelerating data-center royalties as ARM-based designs displace x86 in server workloads. The stock remains up 255% year to date. For context on ARM's prior run, see the June 17 recap.
Palantir falls 7% as UK Parliament presses on NHS contract
Palantir Technologies Inc. (NYSE: PLTR) fell 7% to $119.50, its largest single-session decline in several weeks, as political pressure on the company's UK government contracts intensified. Members of Parliament renewed calls last week to exercise a February 2027 break clause in Palantir's £330 million Federated Data Platform contract with the National Health Service, following the earlier blocking of a separate £50 million Metropolitan Police agreement. Health ministers have begun publicly preparing NHS contingency plans. The regulatory overhang sits on top of a valuation many buy-side managers struggle to justify: PLTR trades at more than 113 times forward earnings and 42 times forward revenue. Business momentum remains strong - first-quarter 2026 revenue reached $1.63 billion, up 85% year over year, with full-year 2026 guidance raised to approximately $7.65 billion. The average analyst price target of $185.93 implies more than 55% upside from Monday's close, but the stock is down 28.8% year to date. The NHS contract remains the clearest near-term binary risk.
Lam Research and Intel extend the chip equipment re-rating
Lam Research Corp. (NASDAQ: LRCX) added 5.3% to $409.54, capping a one-month run of 35.5% driven by a wave of analyst target increases. Wells Fargo set a $450 target, Cantor Fitzgerald analyst C.J. Muse set $425 at Overweight, Oppenheimer is at $400 with Outperform, and UBS holds Buy at $375. All four cite a multi-year upcycle in etch and deposition equipment driven by AI memory, advanced packaging, and gate-all-around node transitions. Applied Materials Inc. (NASDAQ: AMAT) rose 3.7% to $640.18 on the same demand picture, extending its one-month gain to 49.8%.