China Summit Feedback: Strong AI Optical Transceiver Demand, Smartphone Supply Chains Under Pressure

Overview

This report summarizes the main feedback from Morgan Stanley's discussions with corporate management and investors during China Summit 2026, covering two major themes in Greater China technology hardware: AI optical transceivers and smartphones. The core conclusions show a clear split: expectations for AI optical transceiver demand remain strong, and CPO has become the base case in most investors' discussions; on smartphones, investors have become noticeably more cautious since early 2026, mainly due to concerns that rising memory costs will pressure shipments and margins.

Core views

On AI optical transceivers, management and investors broadly expect strong demand over the next 2–3 years, but there are differences on how CPO will disrupt traditional optical transceivers and which companies or subsegments will benefit most. On smartphones, sentiment is negative, with investors expecting pressure on end-device shipments and corporate margins; compared with the Android supply chain, companies with Apple exposure are more favored.

Analysis framework

The report uses conference feedback and investor sentiment summary methods, classifying corporate management discussions and investor views during the China Summit into two major themes: AI optical transceivers and smartphones, and cross-checks them against views from Morgan Stanley's recent related research.

Methodology notes

• Industry conference feedbackChina Summit 2026 Takeaways

  Summarizes the latest management and investor judgments on industry demand, technology paths, and supply-chain preferences through summit discussions.

  This approach focuses more on sentiment and expectation tracking than on updating a single company's financial model.

• Relative rating systemMorgan Stanley Stock Ratings

  Overweight, Equal-weight, Not-Rated, and Underweight are used to measure a stock's risk-adjusted total return relative to the covered universe over the next 12–18 months.

  The disclosure page notes that these ratings are not the same as traditional Buy, Hold, and Sell, but are mapped accordingly for regulatory disclosure purposes.

Asset mapping & comparison

Structured mapping from thesis to named assets (strengths, weaknesses, peers, risks).

• AI transceivers

  Core positive theme

  Strengths

  Demand is expected to remain strong over the next 2–3 years, and AI infrastructure investment continues to support industry momentum.

  Weaknesses

  The evolution of CPO technology may change value allocation, and there are differences over which companies and segments benefit most.

  Comparison

  Compared with smartphones, AI optical transceivers have stronger demand visibility.

  Risks

  The pace of CPO deployment, customer procurement cadence, and changes in the competitive landscape may affect the extent to which individual stocks benefit.

• smartphones

  Core negative theme

  Strengths

  Apple supply chain companies are receiving relatively better reviews.

  Weaknesses

  Investor sentiment has weakened, and rising memory costs may weigh on shipments and margins.

  Comparison

  Compared with AI optical transceivers, the smartphone chain has weaker cycle strength and profit elasticity.

  Risks

  End-demand below expectations, cost increases above expectations, and slower-than-expected recovery in the Android supply chain.

• Apple supply chain

  Relative preference

  Strengths

  Receives more positive investor evaluations within the smartphone supply chain.

  Weaknesses

  Still affected by overall smartphone demand and cost conditions.

  Comparison

  Investor confidence is stronger than for the Android supply chain.

  Risks

  Apple-related orders, product cycles, or cost pass-through ability fall short of expectations.

• Android supply chain

  Relatively cautious direction

  Strengths

  If end-demand recovers, there may be upside from low expectations.

  Weaknesses

  Investor confidence remains weak, with shipment and margin pressure.

  Comparison

  Less favored than the Apple supply chain.

  Risks

  Persistently weak demand, intensifying price competition, and continued cost pressure.

Key data

• AI optical transceiver demand outlookStrong demand over the next 2–3 yearsBoth management and investors expect AI optical transceiver demand to remain strong.
• CPO investor expectationsMost investors view it as the base caseThe market's view of CPO's impact is more balanced than before.
• Smartphone sentimentTurned bearish since early 2026Main concerns are rising memory costs, shipment pressure, and margin pressure.
• Supply chain preferencePrefer the Apple supply chain and relatively avoid the Android supply chainCompanies with Apple exposure receive more favorable assessments, while confidence in Android suppliers remains weak.
• Total covered stocks3,679Morgan Stanley's global stock rating coverage universe in the disclosure table.
• Investment banking client rating distributionOverweight/Buy 50%, Equal-weight/Hold 40%, Underweight/Sell 10%Disclosure data as of March 31, 2026.

Impact & implications

For investors, this report suggests that the AI optical transceiver chain remains one of the more attractive segments in technology hardware, but the degree to which different companies and subsegments benefit from CPO technology evolution still needs to be distinguished; the smartphone chain, by contrast, faces both demand and cost pressure, and positioning is more likely to tilt toward resilient companies within the Apple supply chain while remaining cautious on the Android supply chain.

Risks

• AI optical transceiver demand falls short of management and investor expectations.
• The impact of the CPO technology path on the traditional optical transceiver value chain is greater than expected.
• Smartphone memory costs continue to rise, further squeezing margins.
• Smartphone shipments come in below expectations, especially with a sluggish recovery in the Android chain.
• Morgan Stanley has investment banking or other business relationships with several covered companies, and the report's disclosures highlight potential conflicts of interest.

What to watch

• The actual pace of CPO deployment and its impact on value-chain allocation in AI optical transceivers.
• Visibility into AI optical transceiver orders over the next 2–3 years and changes in customer capex.
• Trends in smartphone memory costs and their pass-through to end-market prices or supply-chain margins.
• Differences in orders, inventories, and margins between the Apple supply chain and the Android supply chain.
• Morgan Stanley's follow-up research on the downcycle in AI optical transceivers and smartphones.