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The Penghua STAR 100 ETF rose 3.18% in morning trading to 1.65 yuan, tracking the SSE STAR 100 Index which jumped 3.13%. In news, China Shipbuilding Industry Group Special Gas noted that tungsten hexafluoride, a key consumable for memory chips, is expected to see rapid demand growth driven by AI. GlobalWafers said its semiconductor silicon wafer production lines are almost fully loaded and it is negotiating new long-term agreements with multiple customers. China Securities analysts noted that benefiting from AI computing demand, major players like TSMC, Micron, and Samsung have expansion plans extending beyond 2030, with cleanroom capacity becoming a bottleneck, and domestic equipment is filling the global gap with delivery efficiency and cost advantages. Among constituents, China Shipbuilding Industry Group Special Gas rose 11.24%, Grinm Advanced Materials rose 10.95%, and Puya Semiconductor rose 9.14%.

CSSC Special Gas released its 2026 interim report, with net profit attributable to the parent company reaching 348 million yuan, a year-on-year increase of 95.63 percent. Total operating revenue was 1.904 billion yuan, up 83.13 percent year-on-year, marking three consecutive years of growth. Net cash outflow from operating activities was 241 million yuan, and the asset-liability ratio stood at 21.42 percent. Gross margin rose to 31.79 percent, return on equity was 5.79 percent, and diluted earnings per share came to 0.66 yuan.

On the evening of July 17, multiple listed companies on the Shanghai and Shenzhen stock exchanges issued important announcements. Goke Microelectronics plans to raise no more than 5.061 billion yuan through a private placement for projects including a next-generation AI vision processing chip. TCL Zhonghuan intends to invest approximately 11.96 billion yuan to build a semiconductor large silicon wafer project for integrated circuits in Shenzhen. Huike Electronics invested 4 billion yuan to establish a subsidiary to advance advanced packaging and testing projects, with the first phase planning to build advanced packaging and testing for 12-inch hybrid chips, reaching a monthly capacity of 20 million units upon full production. Hainan Airlines plans to purchase 40 A320NEO series aircraft from Airbus, with a total transaction amount not exceeding 5.36 billion US dollars. Air China and its subsidiary Shenzhen Airlines will jointly purchase 55 aircraft from Airbus, with a list price of approximately 12.44 billion US dollars. Hunan Yuneng plans to invest about 24 billion yuan in a mining-integrated new energy battery material circular industry project in Weng'an, Guizhou, with an estimated total construction period of five years. Additionally, several companies disclosed earnings forecasts. China Shipbuilding Special Gas reported a net profit of 348 million yuan for the first half of the year, up 95.63 percent year-on-year. Zhiwei Intelligent reported a net profit of 388 million yuan for the first half, up 281.92 percent year-on-year. Jiejia Weichuang expects its first-half net profit to decline by 73.23 percent to 80.22 percent year-on-year. Huichen Information's actual controller, chairman, and general manager Zhao Long was subjected to criminal coercive measures for suspected illegal disclosure or non-disclosure of important information. ST Wenfeng and its controlling shareholder were placed on file for investigation by the China Securities Regulatory Commission for suspected illegal information disclosure.

On the evening of July 17, several listed companies on the Shanghai and Shenzhen exchanges released significant positive announcements. Hunan Yuneng plans to invest approximately 24 billion yuan in a mining-integrated new energy battery materials circular industry project in Weng'an, Guizhou, focusing on lithium iron phosphate and the upstream supply chain, with a total construction period expected to be five years. TCL Zhonghuan plans to invest about 11.96 billion yuan through a subsidiary to build a semiconductor large silicon wafer project for integrated circuits in Shenzhen. Guoke Micro intends to raise no more than 5.061 billion yuan through a private placement for the research and industrialization of next-generation AI vision processing chips and other projects. Ananda's wholly-owned subsidiary plans to invest 3.298 billion yuan to build an integrated project with an annual output of 300,000 tons of battery-grade iron phosphate. China Shipbuilding Gas reported a net profit attributable to the parent company of 348 million yuan for the first half of the year, up 95.63 percent year-on-year. Huarui Precision expects a net profit attributable to the parent company of between 210 million and 250 million yuan for the first half, an increase of 145.73 percent to 192.54 percent year-on-year. Lingyi iTech has raised the total amount for its share buyback to between 400 million and 800 million yuan. In addition, Baose Corporation plans to invest 970 million yuan in a high-end over-limit equipment intelligent manufacturing project, Pan Asian Microvent Tech intends to acquire a 54.089 percent stake in Tianyuan Electric to gain control, Guangyang Corporation has signed a strategic cooperation framework agreement with Pangu Power, and Huike Corporation plans to invest 4 billion yuan to establish a subsidiary for an advanced packaging and testing project.