Chip stocks slide as Samsung sell-off ripples into Intel and Lam Research; Cloudflare surges 8.6%

Samsung Electronics' release of preliminary second-quarter results showing a near-19-fold jump in operating profit paradoxically triggered a broad selloff in semiconductor stocks on Tuesday, as investors in Seoul sold after a 150% year-to-date run and the resulting downdraft swept through US chip names during the New York session. Intel Corp. dropped 9.7%, the Philadelphia Semiconductor Index lost 5.1%, and chip equipment makers posted their steepest single-session losses in recent weeks. Enterprise software moved in the opposite direction; Cloudflare Inc. surged 8.6% as investors rotated out of semiconductor hardware and into platform names. The S&P 500 fell 0.45% and the Nasdaq Composite declined 1.16%.

Today's biggest movers

Intel tumbles 9.7% as Samsung sell-off sweeps through chip stocks

Intel Corp. (NASDAQ: INTC) closed at $110.39 on Tuesday, shedding $11.80 per share, as Samsung Electronics' preliminary second-quarter results triggered profit-taking across the global semiconductor complex. Samsung reported second-quarter operating profit of approximately $58 billion, a near-19-fold increase year over year that beat analyst estimates. The result became a sell signal rather than a buy signal: Samsung shares fell up to 10% intraday in Seoul after a 150% run this year, and that pressure moved through export-oriented chip names into the US afternoon session, hitting Intel, Applied Materials, Lam Research, AMD, and ARM in sequence.

Intel had company-specific aggravants beyond the macro contagion. Analysts at FX Leaders noted on Tuesday that INTC is testing the $110 support level, with the delayed 18A process node and persistent foundry division losses reinforcing the pressure. HSBC had earlier raised its price target on Intel to $200, maintaining a Buy rating, but the stock continues to trade well below that mark. Intel is scheduled to report second-quarter results on July 23; management will need to demonstrate that manufacturing improvements are converting into margin progress. The foundry division has required enormous capital investment, and analysts generally expect commercial-scale profitability to remain several years out.

Cloudflare surges 8.6% as investors rotate into enterprise software

Cloudflare Inc. (NYSE: NET) was Tuesday's most decisive winner in the AI sector, closing at $268.83 after gaining 8.6% on volume running well above its 30-day average. The move represents a partial recovery from the stock's 24% decline in May, when the company reported first-quarter revenue growth of 34% year over year alongside a plan to cut approximately 1,100 employees globally. Chief executive Matthew Prince attributed the workforce reduction to agentic artificial intelligence adoption, a rationale that rattled investors at the time but has since been absorbed as a signal of improving cost structure.

Cloudflare next reports on July 30. The company guided 2026 full-year revenue between $2.805 billion and $2.813 billion, modestly above the $2.8 billion consensus, with adjusted earnings per share in the $1.19 to $1.20 range. Analyst price targets remain centered near $232, reflecting confidence in the zero-trust networking and AI gateway product lines even as the workforce resets. Tuesday's session demonstrated a pattern that has recurred throughout 2026: when macro contagion hits semiconductor hardware, platform software names with AI monetization stories become the day's relative safe haven.

Lam Research and Applied Materials slide ahead of July earnings

Lam Research Corp. (NASDAQ: LRCX) fell 6.87% to $326.13, its worst single-session close in recent weeks, as the Samsung contagion caught chip equipment names in the crossfire. The decline contrasts with the same names' performance on June 29, when Lam Research and Applied Materials led a chip equipment rebound on AI memory demand. Lam reports second-quarter results on July 28. BofA carries a $480 price target, Susquehanna a $475 target, and Morgan Stanley a $404 target, all with Buy-equivalent ratings, citing sustained demand for etching and deposition equipment driven by leading-edge node transitions and advanced packaging for AI accelerators.

Applied Materials Inc. (NASDAQ: AMAT) fell 6.46% to $554.50, and the combined dollar-volume selling across both names represented one of the heavier equipment drawdowns of the year. Jefferies holds a $770 price target on AMAT, Susquehanna's Mehdi Hosseini sits at $900, and BofA at $720, all reflecting optimism around the company's advanced packaging opportunity and CEO Gary Dickerson's May guidance for semiconductor equipment revenue growth exceeding 30% in calendar 2026. Neither stock's bull case changed on Tuesday; the Samsung sell-off was the catalyst, not a fundamental revision.

AMD and Arm retreat as valuation stretch compounds sector contagion

Advanced Micro Devices Inc. (NASDAQ: AMD) fell 6.51% to $516.11 despite a constructive catalyst published the prior session, when Goldman Sachs analyst James Schneider raised his price target on AMD to $640, citing long-term earnings growth projected at roughly 55% annually. The upgrade provided no buffer against the Samsung-driven rotation. AMD was already down nearly 11% over the prior five sessions heading into Tuesday, and the stock's year-to-date gain of 130.9% left it exposed to any sector-wide de-risking. AMD reports second-quarter results on August 4; the consensus EPS estimate is $1.60. The contrast with the June 30 AMD and Intel upgrade-driven rally underscores how quickly sector momentum can reverse.

Arm Holdings plc (NASDAQ: ARM) fell 6.77% to $300.43, bringing its five-session loss to 15.3%. The stock remains up 161.9% year to date, a multiple-expansion run that leaves it acutely sensitive to any sector de-risking event. A Federal Trade Commission antitrust investigation into Arm's chip licensing practices has added an additional overhang beyond valuation. Arm reported fiscal 2026 revenue of $4.92 billion, up 23% year over year, with net income of $904 million. The company is scheduled to report fiscal first-quarter 2027 results on July 29, with analysts focused on data center royalty trends as cloud providers scale up AI inference workloads.

Notable but quieter

Taiwan Semiconductor Manufacturing Co. (NYSE: TSM) fell 4.25% to $432.57. TSMC reports second-quarter results on July 16, where Wall Street expects earnings per ADR of $3.80, up from $2.47 a year earlier, on revenue of roughly $40 billion. Citi recently raised its price target and added a 30-day upside catalyst watch ahead of that print, citing strong AI chip demand; the Samsung-driven pressure overrode the pre-earnings bid on Tuesday. ASML Holding N.V. (NASDAQ: ASML) shed 4.26% to $1,747.28, tracking the chip equipment rout without a company-specific catalyst on the day.

Palo Alto Networks Inc. (NASDAQ: PANW) fell 5.73% to $337.04 despite Needham raising its price target to $425 from $350 on Tuesday, with the firm citing strong next-generation security annual recurring revenue growth. The stock is up 87.9% year to date and reports next on August 17. On the other side of the rotation, Meta Platforms Inc. (NASDAQ: META) gained 2.55% to $615.58, ServiceNow Inc. (NYSE: NOW) rose 2.59% to $110.73, and Salesforce Inc. (NYSE: CRM) climbed 2.34% to $169.52, all extending the software-over-hardware rotation that echoed last week's enterprise AI surge. Palantir Technologies Inc. (NYSE: PLTR) rose 1.38% to $134.37, extending its five-session gain to 15.2%, as AI government contract activity continued to attract inflows. NVIDIA Corp. (NASDAQ: NVDA) edged up 0.71% to $196.93 on 122.6 million shares, making it the day's most visibly resilient semiconductor name in a broad chip selloff.

What to watch this week and beyond

The next three weeks will act as a stress test for Tuesday's semiconductor selloff. Taiwan Semiconductor reports July 16: a strong TSMC print with raised forward guidance has historically been enough to reset the entire AI chip trade, and Citi's upside catalyst designation suggests at least one major house expects the quarter to deliver. Intel follows on July 23, where foundry margin progress and 18A schedule updates will determine whether the stock can hold $110 support. Lam Research (July 28) and Arm Holdings (July 29) report the week after; both carry multiple analyst upgrades that set an elevated bar. Cloudflare closes July on the 30th, giving investors a clear read on whether enterprise AI infrastructure spending has absorbed the post-layoff uncertainty. AMD does not report until August 4, but Goldman Sachs' $640 target means any guidance softness will be punished quickly. On the macro side, Federal Reserve speaker appearances later this week could revive rate-sensitivity in high-multiple AI names. The SOXX is down 13.9% over five sessions; whether TSMC's July 16 call reverses that trajectory is the single most important near-term question for the sector.

Not investment advice.