On the afternoon of October 13, optical modules staged a rapid rebound, with the underlying index of the high-"optical" ChiNext Artificial Intelligence ETF (159363) surging more than 3% in short order, accompanied by notably heavier trading volume, as capital has recently continued to watch for positioning opportunities.

Among the hot constituent stocks, T&S Communications led gains of over 10%, while Tianfu Communication and Dongtian Micro rose more than 8%, Eoptolink gained over 3%, and Zhongji Innolight advanced more than 2%.

On the news front, two major optical communications concept stocks both announced high growth in their third-quarter results. Guosheng Securities noted that supply chain bottlenecks were substantially eased in Q3, 1.6T optical module shipments increased quarter by quarter, and leading module makers actively stocked up on materials and inventory, providing raw material support for the subsequent ramp-up of high-speed optical modules, giving strong visibility to the Q3 performance of major optical players. At the same time, AI industry giants such as Nvidia and Intel are intensively betting on optical interconnect startups, and the sector is also expected to see catalysts on the technology front.

*To gain exposure to optical module leaders plus AI applications, investors may consider the ChiNext Artificial Intelligence ETF (159363) and its off-exchange feeder funds (Class A 023407, Class C 023408), which focus on optical module CPO leaders while also covering AI applications. The underlying index has a combined weight of over 35% in "Zhongji Innolight + Eoptolink + Tianfu Communication," making it a core standard-bearer for AI computing power. Data source: Shanghai and Shenzhen stock exchanges, Wind, etc. Note: As of September 30, 2026, according to the China Securities Index Company, the top three constituents of the ChiNext Artificial Intelligence Index are Eoptolink (weight 12.98%), Zhongji Innolight (weight 12.09%), and Tianfu Communication (weight 10.8%).

Reminder: Market volatility may be relatively high in the near term, and short-term gains or losses do not predict future performance. Investors should invest rationally based on their own financial conditions and risk tolerance, and pay close attention to position sizing and risk management. ETF fee disclosure: When investors subscribe to or redeem fund shares, the subscription and redemption agent may charge a commission of no more than 0.5%. On-exchange trading fees are subject to what securities companies actually charge, and no sales service fee is charged. Feeder fund fee disclosure: The ChinaAMC ChiNext Artificial Intelligence ETF feeder fund Class C does not charge a subscription fee; the redemption fee is 1.5% within 7 days and 0% on or after 7 days; the sales service fee is 0.3%. For the feeder fund Class A, the subscription fee is 1% for amounts below 1 million yuan, 0.6% for 1 million yuan (inclusive) to 2 million yuan, and 1,000 yuan per transaction for 2 million yuan (inclusive) and above; the redemption fee is 1.5% within 7 days and 0% on or after 7 days; no sales service fee is charged.

According to the fund manager's assessment, the risk level of the ChinaAMC ChiNext Artificial Intelligence ETF is R4-medium-high risk, suitable for aggressive (C4) and above investors, and the suitability matching opinion should be subject to the sales institution. Risk disclosure: The ChinaAMC ChiNext Artificial Intelligence ETF passively tracks the ChiNext Artificial Intelligence Index, whose base date is December 28, 2018, and launch date is July 11, 2024. The index's annual returns from 2021 to 2025 were 17.57%, -34.52%, 47.83%, 38.44%, and 106.35%, respectively, while its annualized volatility over the same period was 23.73%, 27.34%, 38.02%, 45.42%, and 41.1%. The composition of the index constituents is adjusted in due course according to the index compilation rules, and its back-tested historical performance does not predict the index's future performance. The index constituent stocks mentioned in this article are for illustration only, and descriptions of individual stocks do not constitute investment advice in any form, nor do they represent the holdings or trading moves of any fund under the manager. Any information appearing in this article (including but not limited to individual stocks, comments, forecasts, charts, indicators, theories, and any form of expression) is for reference only, and investors must be responsible for any investment decisions they make independently. In addition, any views, analyses, and forecasts in this article do not constitute investment advice of any kind to readers, nor shall they bear any responsibility for direct or indirect losses caused by the use of the content of this article. Fund investment involves risks, past performance of a fund does not represent its future performance, and the performance of other funds managed by the fund manager does not constitute a guarantee of the fund's performance. Fund investment should be approached with caution. A MACD golden cross signal has formed, and these stocks are performing well!