On August 17th, A-share major indices trended higher throughout the session, with growth styles clearly outperforming. The Shanghai Composite closed at 3982.65 points, up 1.41%; the Shenzhen Component Index closed at 14704.27 points, up 2.44%; the ChiNext Index rose 3.14%, and the STAR 50 gained 4.14%, with the tech-heavy boards showing notably stronger elasticity than the main board. Total A-share turnover surpassed 2.4 trillion yuan, a significant increase from the previous session, indicating a simultaneous recovery in risk appetite and trading activity. On the sector front, electronics, communications, machinery, nonferrous metals, and power equipment led the gains, with tech growth and high-end manufacturing forming the main offensive thrust; relatively weaker sectors included food and beverage, media, coal, and banking. At the thematic level, semiconductors, storage, computing hardware/CPO, PCB, electronic chemicals, cultured diamonds, and precious metals were active, while consumer and media sectors like baijiu, gaming, and film underperformed, reflecting that the market continues to trade around cyclical growth and industrial catalysts. At the individual stock level, more than 4,300 stocks advanced, showing a broadly positive market pattern. Regarding the outlook, the market has not formed a one-sided consensus on the medium-term trend, but mainstream institutions generally believe the foundation for medium-term upward movement remains intact, with the short term expected to gradually shift from systematic recovery to structural opportunity dominance. Capital market reforms and structural transformation continue to provide support, and the "transition bull" process is not over, but the liquidity-driven broad recovery may be nearing its end. With the interim reporting window approaching, the market will place greater emphasis on earnings validation and rebalancing. On allocation, it is advisable to maintain a balanced offense-defense posture. On the offensive side, positioning can continue around AI computing power, communications equipment, semiconductor equipment and materials, electronic components, nonferrous metals and new materials, and innovative drugs in the prosperity diffusion direction; on the defensive side, attention should be paid to banking, coal, utilities, and some low-valuation dividend assets to cope with accelerated sector rotation and interim report divergence pressure. Overall, in the next stage, the source of excess returns may depend more on the cross-validation of earnings delivery and industrial trends.

Today, the Communications ETF (515880) rose over 4%. In terms of event catalysts, the sector benefited from Nvidia's Spectrum-X Ethernet photonic switch entering full mass production and Anthropic's revenue explosion, strengthening the logic of AI application commercialization. Nvidia announced that its Spectrum-X Ethernet Photonics switch has entered the full mass production stage. Compared with traditional solutions, this product has achieved leapfrog improvements in three key metrics: laser count reduced by 4 times, power consumption reduced by 5 times, and mean time between failures (MTBF) increased by 10 times. The mass production of photonic switches marks the CPO/photonics industry officially transitioning from "concept validation" to "volume shipments," and the pace of earnings delivery in the optical module, optical component, and upstream laser industry chains is expected to accelerate noticeably. Reports indicate that Anthropic's second-quarter revenue exceeded $11.5 billion, up 14 times year-over-year, marking a landmark event in the commercialization of AI large models, with potential to pursue one of the largest US IPOs in history. The deeper significance of this event lies in the fact that the revenue curve on the AI application side is delivering at a steep slope, which in turn validates the rationality and sustainability of computing infrastructure investment. The more profitable the applications, the more confidence cloud vendors and large model companies have in their capex, and communications (optical modules/switches), as the "blood vessels" of the computing network, are the directly benefiting segment. On the long-term sector prosperity front, overseas demand remains strong, with the sector benefiting from the global infrastructure wave. Nvidia has guided that AI infrastructure will exhibit a cyclical prosperity cycle, with global AI capex expected to reach $3-4 trillion by around 2030. Domestic AI construction is also accelerating in parallel, with CSPs maintaining capital expenditure growth; Alibaba has indicated that by 2032, its data center energy consumption is expected to reach 10 times the 2022 level. Against the backdrop of rapidly increasing GPU numbers, network speed is gradually becoming one of the bottlenecks for AI efficiency, and the proportion of optical communications and network investment in AI infrastructure is expected to continue rising. Looking ahead, after the pullback in July, the irrational speculative froth that had detached from fundamentals has been released, and the market is likely to become more rational going forward. According to estimates, global AI capex could reach $1.5 trillion by 2027, representing year-over-year growth of over 70%. The communications sector's fundamentals remain robust, with clear valuation support for 2027 earnings and high earnings visibility; however, there may still be short-term FCC ban concerns (though the likelihood of implementation is low). Interested investors can watch the Communications ETF (515880).

Today, the Semiconductor Equipment ETF (159516) rose over 5%. On the domestic front, the two major wafer foundries reported earnings that exceeded expectations, with capacity utilization approaching the ceiling. Recently, the earnings reports from two leading domestic wafer foundries have both exceeded market expectations, with the core highlight being that capacity utilization is near full load. Capacity utilization is a leading indicator for equipment investment—when existing production lines are running at full capacity, expansion becomes an inevitable choice. Subsequent capacity expansion actions such as equipment validation, tendering, and installation are expected to accelerate, and the order visibility and earnings elasticity of domestic equipment manufacturers deserve attention. On the overseas front, SanDisk's earnings confirmed the high prosperity of the storage industry: over 1/2 of 2027 capacity and over 2/3 of 2028 capacity have already been pre-booked by customers. Such a high level of long-term order locking is historically extremely elevated, indicating that downstream players have strong confidence and urgency regarding AI-driven storage demand (especially HBM and enterprise SSDs). Looking ahead, DRAM/NAND storage chip prices are expected to stabilize at high levels, while HBM price increases may exceed expectations. Storage expansion is imperative, and equipment is one of the highest-certainty links in this chain. Global semiconductor equipment prosperity continues to be revised upward, with overseas equipment and components already experiencing "volume and price increases," and overseas delivery times have been significantly extended. Domestic equipment and component capabilities have been greatly enhanced, with sufficient potential for overseas expansion. The global shortage makes it increasingly difficult for domestic customers to obtain overseas equipment, and the pace of domestic substitution in the domestic market is expected to accelerate significantly. Interested investors can pay attention to the Semiconductor Equipment ETF (159516) and consider positioning on pullbacks.

At today's A-share close, the Industrial Mother Machine ETF (159667) closed up 3.30%, with momentum in the machine tool direction reigniting. On the news front, Japan's new export control regulations for high-end machine tools and the extension of approval cycles continued to ferment, coupled with capital re-pricing the high-end equipment chain after the earlier pullback, the machine tool sector warmed up on both the trading floor and in public sentiment. Looking back at early August, the CSI Machine Tool Index had strengthened for multiple consecutive sessions, with laser processing, CNC mainframes, and other segments rotating through performances, bringing industrial mother machines back to the main theme trading line. Fundamental clues are also strengthening. Data shows that domestic CNC machine tool sales in Q2 2026 were approximately 24.57 billion yuan, up 15.6% year-over-year and 35.8% quarter-over-quarter. In the first half of the year, the machine tool industry's main economic indicators grew well, with total profits surging approximately 89.2% year-over-year, and the earnings recovery slope is notably steeper than the revenue side. This round of high prosperity is jointly driven by traditional manufacturing recovery combined with emerging industries such as commercial aerospace, AI liquid cooling, semiconductor equipment, and robotics, with precision processing equipment production accelerating. This machine tool rally is not purely thematic momentum but rather closer to a resonance of triple order logic: "equipment updates + domestic substitution + emerging industry capacity expansion." From an allocation perspective, machine tools are better viewed as the upstream "master assembly" of manufacturing upgrades: the capacity expansion of robotics, computing heat dissipation structural components, and semiconductor and new energy precision components will ultimately be reflected in capital expenditure for cutting, forming, and inspection equipment; in terms of approach, the machine tool industry is more suitable for participating in the trend through a basket of tools rather than betting on a single target. The Industrial Mother Machine ETF (159667) tracks the CSI Machine Tool Index, which selects approximately 50 listed companies involved in machine tool complete machines, core functional components, and related high-end processing equipment, covering key industrial mother machine segments such as CNC machine tools, laser equipment, cutting tools, and precision components. Against the backdrop of continued advancement in industrial mother machine self-reliance and ongoing capital expenditure expansion in downstream emerging industries, the sector has medium-term allocation value; going forward, it will be necessary to track the impact of export control implementation, manufacturing order visibility, and crowding changes. Investors can appropriately consider it based on their own risk preferences.

Today, the Gold ETF (518800) closed up approximately 1.40%. Looking back at August, after a rapid rebound, gold prices have been oscillating around the $4,400 mark. Even with pullbacks caused by US Treasury yield spikes along the way, bullish sentiment has not noticeably dissipated, and domestic gold ETFs have entered a dual-driven phase of "gold price recovery + capital inflow." The core driver behind this round of gold price strength is the loosening of the macro pricing anchor. US labor market and inflation data continue to cool, and market expectations for further Fed tightening have significantly declined. The probability of a September rate hike has fallen to around 30%, and the suppression of gold by the dollar and real interest rates has weakened simultaneously. Meanwhile, global official sector gold purchases remain active in a "counter-cyclical" manner: World Gold Council data shows that global central banks purchased approximately 289 tonnes of gold net in Q2, up about 62% year-over-year; the People's Bank of China's gold reserves rose to 76.08 million ounces by the end of July, marking the 21st consecutive month of accumulation, with the July monthly increase accelerating further compared with June. Against the backdrop of reserve diversification and de-dollarization, gold is transitioning from being merely a "reverse interest rate asset" to being increasingly endowed with long-term attributes of sovereign credit hedging and reserve revaluation. On allocation pacing, restraint is still needed. After rapidly reclaiming lost ground, gold price volatility may amplify in the short term; if long-end US Treasury yields rise again, it will also periodically raise the opportunity cost of holding gold. A more appropriate framework is to position gold as a hedge within a portfolio: providing elasticity when equity or credit assets come under pressure, and sharing in recovery elasticity when inflation expectations fall and the monetary environment eases marginally. The Gold ETF (518800) tracks the Shanghai Gold Exchange Au99.99 contract, allowing direct participation in gold price fluctuations during A-share trading hours. Against the backdrop of unabated central bank gold purchases and the ongoing evolution of the global reserve system restructuring logic, gold retains medium-term allocation value; going forward, the key lines to track are the dollar, real interest rates, and ETF fund flows. Investors can appropriately consider it based on their own asset allocation needs.

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