ALAB fell -10.20% intraday to about $261.52 during regular trading, down from Friday's $291.22 close. Primary catalyst: a broad AI/semiconductor selloff as rising interest rates pressured high-multiple growth stocks, with the Nasdaq off roughly -1.2%.

MTSI fell -11.17% during regular trading hours, sliding from a prior close of $274.90 to about $244.18 intraday. The primary catalyst was MACOM's removal from Russell value benchmarks (Russell 1000 Value and Russell Midcap Value), triggering forced institutional/index-fund selling despite unchanged fundamentals.

AMD fell -5.98% to $485.27 in Monday trading, extending a slide that began in the premarket as AI-linked chip stocks sold off broadly. The drop is driven by calls from top AI executives — Anthropic's Dario Amodei, OpenAI's Sam Altman, and Elon Musk — to slow the pace of frontier AI model development over safety concerns.

MU is down -6.79% to about $909, sliding from Friday's close of $975.26, with the decline hitting in premarket trading and extending into the regular session. The sell-off was triggered by comments from Anthropic CEO Dario Amodei and OpenAI CEO Sam Altman calling for a slower pace of advanced AI development, with Elon Musk echoing the view, raising fears of softer demand for AI memory.

MXL is down -11.28% intraday to $66.16, versus Friday's close of $74.57. The decline began in premarket (shares off roughly 7–9%) and extended during the regular session.

KLIC has delivered stronger year-over-year stock gains of approximately 123% compared to POWI ’s roughly 12.5% over the same period, driven by AI-related packaging demand. Both companies operate in the semiconductor sector, with KLIC focused on assembly equipment and advanced packaging while POWI specializes in high-voltage power integrated circuits and gallium nitride (GaN) technology.

AMD reported Q2 2026 revenue of $11.5 billion, up 50% year-over-year, driven primarily by data center growth, while FORM posted record Q2 revenue of $258.2 million, up 31.9% year-over-year from probe card demand tied to high-bandwidth memory (HBM). AMD maintains a significantly larger market capitalization of approximately $843 billion compared to FORM ’s roughly $9 billion, reflecting differences in scale and business breadth.

AMD has delivered stronger year-to-date returns of approximately 141% compared with Lam Research’s roughly 75% through recent market activity. Both companies benefit from artificial intelligence demand, with AMD positioned in high-performance processors and LRCX supplying wafer fabrication equipment.

AMD has demonstrated stronger recent momentum in the semiconductor sector, driven by robust demand for its AI accelerators and data center processors. INTC has shown significant year-to-date gains amid AI-related developments but faces ongoing profitability pressures and higher volatility.

INTC closed up +1.69% to $106.24 during regular trading, extending the prior session's +9.05% surge to $104.47. Buying followed reports Intel may raise PC CPU prices roughly 10% in October, a third 2026 hike signaling pricing power amid chip shortages.

Credo Technology (CRDO) declined roughly 32% over the 30 days ending in early September 2026, despite delivering record quarterly results. The selloff followed a "beat-and-raise" fiscal Q1 2027 report, as investors focused on narrowing margins and heavy customer concentration rather than surging revenue.

AMD shares recently traded near $474, roughly 4% higher than their level 30 days earlier, as strong AI data center results offset post-earnings profit taking. Second-quarter revenue rose 50% year over year to $11.54 billion, while data center revenue more than doubled to $6.7 billion, now 58% of total sales.

The focal price target is $250 , roughly 28% above recent trading near $195 and closely aligned with the analyst consensus near $248. The strongest bullish case rests on SK hynix's leadership in high-bandwidth memory (HBM), tight memory supply, multi-year customer contracts, and a massive 40 trillion won share buyback.

Data center entry is the defining catalyst. Two custom-silicon engagements with hyperscalers begin generating revenue in the December 2026 quarter, with management targeting $5 billion in data center revenue by fiscal 2027 and more than $15 billion by fiscal 2029. Non-handset diversification is accelerating. Qualcomm doubled its fiscal 2029 non-handset revenue target to $40 billion, with automotive and IoT (Internet of Things) combined with data center expected to become roughly two-thirds of its chip business.

Micron closed up +6.10% at $1,016.59 in regular Friday trading, adding +$58.43 versus the prior close of $958.16 and breaking above the $1,000 mark. The move was driven by the AI-memory supercycle: Susquehanna and TechInsights flagged DRAM contract prices set to jump 50%–200% and NAND about +60% this quarter.

Micron Technology shares rose roughly 15.8% over the trailing 30 days, climbing from about $877.57 on Aug. 7 to a close of $1,016.59 on Sept. 4, 2026. The advance has been fueled by an AI-driven memory boom: tight DRAM, NAND, and high-bandwidth memory (HBM) supply combined with strong demand from data-center and AI infrastructure buildouts.

CRDO shares fell roughly 24% over the past 30 days, sliding from about $224.63 to $170.57, driven by a sharp post-earnings selloff in early September 2026. The decline followed a "beat-and-raise" fiscal Q1 2027 report in which revenue rose about 115% year over year to $479 million and adjusted EPS of $1.20 topped estimates.

Investors are watching whether Navitas Semiconductor (NVTS) can climb back toward the $20 level , roughly 54% above its recent price near $13. The strongest bullish case rests on rapidly growing demand for gallium nitride (GaN) and silicon carbide (SiC) power chips in AI data centers.

AVGO is down about -5.46% to ~$347 during Thursday's regular session, extending a roughly -5% slide in after-hours trading Wednesday. Primary catalyst: fiscal Q3 results beat estimates, but Q4 revenue guidance of ~$34.8B came in below the ~$35B consensus, disappointing investors.

Broadcom reported record third-quarter fiscal 2026 revenue of $29.59 billion, up 86% year over year, narrowly ahead of the roughly $29.2 billion consensus estimate. Non-GAAP (adjusted) earnings per share came in at $3.32, up 96% from a year earlier and above the approximately $3.22 analysts expected.