Marvell Technology Pushes Ahead with New Switch Chip Amid Market Turmoil

Marvell's new 102.4 Tbps Teralynx T100 chip aims to dominate next-gen AI clusters, even as a free Chinese AI model sparks fears of reduced hardware demand and stock drops 34%.

The semiconductor sector has been rattled by doubts over AI spending, but Marvell Technology is not waiting for the dust to settle. The company has introduced the Teralynx T100, a switch chip designed for high-performance AI clusters that delivers a throughput of 102.4 terabits per second while consuming less power and offering lower latency than existing solutions. The message is clear: Marvell intends to remain at the centre of the next generation of data centre architecture, even as a single Chinese language model sends shockwaves through the market.

That model — Kimi K3, developed by the startup Moonshot AI and released in mid-July — is an open-weight system with 2.8 trillion parameters that reportedly outperforms established rivals such as Claude Opus 4.8 and GPT-5.5. Crucially, it is available free of charge. The launch has forced a rethink of how much hardware the next wave of AI will actually require, hitting the very companies that build the infrastructure behind the boom. Marvell’s stock has fallen 34.57% over the past 30 days, closing at €165.12 on Friday for a modest 0.30% gain, and now sits 43.13% below its 52-week high of €290.35 touched on 3 June. The Philadelphia Semiconductor Index has slipped roughly 20% from its peak, officially entering bear-market territory.

Additional pressure came from Taiwan Semiconductor Manufacturing, which raised its capital expenditure forecast and announced it would boost investment in Arizona by $100 billion to a total of $265 billion. Even though TSMC itself reported a record quarterly revenue of $40 billion, its shares declined — and Marvell lost 8.7% on that trading day alone.

Behind the volatility, however, the company’s fundamentals remain robust. In the first quarter of fiscal 2027, Marvell posted a record revenue of $2.42 billion, a 27.6% increase year-on-year, with earnings per share of $0.80. For the current second quarter, management guided for EPS between $0.88 and $0.98. Nvidia invested $2 billion in Marvell in March, and the acquisition of Polariton Technologies — a specialist in plasmonic photonics — followed in April. Marvell is also active in the UALink consortium for chip interconnection, while Amazon is reportedly reviewing a potential sale of its Trainium chips, which were co-developed with Marvell.

Institutional investors had been quietly building positions in the first calendar quarter of 2026, long before the current sell-off gathered pace. D.A. Davidson & Co. increased its stake by 48.8% to 95,361 shares, valued at roughly $9.45 million. Wealthfront Advisers added 8.6%, bringing its holding to 76,173 shares worth $7.55 million, and the California Public Employees Retirement System expanded by 40.3% to 2.64 million shares — representing a $261.29 million position and 0.30% of the company. The Bank of New York Mellon trimmed its holding by 5.3% but still owns 3.14 million shares worth $311.24 million. Overall, institutional ownership stands at 83.51%.

Insider activity tells a different story, but one that is equally pre-planned. Over the past 90 days, executives sold a total of 45,981 shares for around $9.84 million. Chief operating officer Chris Koopmans disposed of 10,000 shares at $281.92 on 1 July, while chief financial officer Daniel Durn sold 2,250 shares at $281.01 on 23 June. Both transactions were executed under 10b5-1 trading plans established in January 2026, meaning they were scheduled well in advance and not a reaction to the recent turmoil.

Analyst opinions diverge sharply. Bank of America has a buy rating with a target of $365, the highest on the Street; Stifel and B. Riley stand at $350 and $345 respectively. At the other end, Erste Group has downgraded to hold, and Evercore offers the lowest target at $155. The consensus sits at “moderate buy” with an average price target of $245.45 — well above the current level.

Technically, the stock looks deeply oversold. The 14-day relative strength index has fallen to 35.3, close to the classic oversold threshold, while the 30-day annualised volatility has surged to nearly 99%. Marvell trades 21% below its 50-day moving average of €209.38 but still 45% above its 200-day moving average of €113.57 — a gap that captures the tension between short-term panic and a longer-term uptrend that has delivered a 126.53% gain year-to-date and 165.85% over twelve months.

The quarterly dividend of $0.06 per share, with the most recent ex-date on 10 July, is negligible for the investment case. What matters is whether Marvell’s custom ASIC business and its bet on 800G and 1.6T Ethernet standards will prove irreplaceable as hyperscalers reassess their spending on AI infrastructure. The Teralynx T100 is the company’s latest answer to that question — a tangible product in a market that, for now, seems to be waiting for confirmation rather than conviction.