Marvell sinks as weak data center outlook stokes AI chip worries

Marvell Technology shares slumped 11.3% premarket as its data center demand outlook and Q3 revenue forecast of $2.06 billion, falling short of the $2.11 billion consensus, offset a Q2 revenue beat. Despite CEO Matthew Murphy citing "lumpiness" in cloud infrastructure build-outs as a factor, concerns persist regarding the company's custom ASIC business and potential impacts from customer delays, such as Microsoft's in-house AI chip rollout. This performance, amid broader signs of cooling in the highly anticipated AI chip market, reflects increasing investor caution regarding Marvell's growth trajectory and the sector's elevated expectations.

Analysis

Marvell Technology's (MRVL) shares fell sharply by 11.3% in premarket trading after its third-quarter guidance disappointed investors, overshadowing its in-line Q2 results. The company projected Q3 revenue of $2.06 billion, plus or minus 5%, which falls below the consensus estimate of $2.11 billion, signaling weakness in its critical data center segment. CEO Matthew Murphy attributed the soft outlook to "lumpiness" in cloud infrastructure build-outs, a common cyclical occurrence, yet the lack of specific detail on the source of weakness has fueled investor concern. This uncertainty is compounded by significant customer-specific risks, including reports of a potential delay in Microsoft's in-house AI chip project, for which Marvell supplies key components, and market share losses at another major customer, Amazon Web Services. Analysts noted surprise that the full-year revenue outlook for the custom ASIC business continues to fall, suggesting issues beyond typical demand fluctuations. This performance reflects a broader cooling of sentiment in the AI chip sector, where elevated expectations are meeting the reality of slowing growth, as also seen with Nvidia's post-earnings decline. Marvell's valuation, with a forward P/E of 23.95, stands at a significant discount to competitor Broadcom (39.03), reflecting deep-seated investor caution regarding its growth prospects and competitive positioning.

Key Decisions for Investors

• Investors should scrutinize Marvell's next earnings report for concrete details on the 'lumpiness' in data center demand and any signs of stabilization or recovery in the custom ASIC business.
• It is prudent to re-evaluate exposure to Marvell given the high concentration risk tied to cloud giants, especially in light of the potential Microsoft AI chip delay and competitive shifts impacting AWS.
• Despite the stock's significant decline and lower relative valuation, the lowered guidance and customer-specific headwinds suggest that further downside risk remains until a clear growth catalyst emerges.
• Consider this event within the broader context of a market recalibration for AI chipmakers, and monitor peer results, such as Broadcom's, for signs of either sector-wide weakness or company-specific issues at Marvell.