这一板块，盘中爆发

Market Overview - The Hong Kong stock market opened high but closed lower, with the Hang Seng Index rising by 0.62% to 24,221.41 points, while the Hang Seng Tech Index fell by 0.64% to 5,269.11 points, and the National Enterprises Index increased by 0.54% to 8,724.9 points [1][2]. Steel Sector - The steel sector saw significant gains in the afternoon, with Chongqing Steel's stock reaching a peak increase of 135.56% before closing with a 91.11% rise at HKD 1.72 per share. Other companies like Ansteel and China Oriental Group also saw increases of over 10% [5][7]. - A rumor regarding production limits in Tangshan from July 4 to July 15, with a potential reduction in daily output by 30%, has drawn market attention. Current production data indicates a utilization rate of 83%, which could drop to 70% under the new limits [7]. Gold Sector - Gold stocks performed well, with Shandong Gold rising over 5%. Other companies such as Zijin Mining and China National Gold also experienced gains [8][10]. - Macau's gaming revenue for June reached MOP 210.64 billion, a year-on-year increase of 19%, driven by events like concerts [11]. Solar Sector - The solar sector showed strong performance, with companies like Fuyao Glass increasing by over 11%. A collective decision by major solar glass manufacturers to reduce production by 30% is expected to address supply-demand imbalances [12]. Chip and Military Sectors - The chip sector faced declines, with Shanghai Fudan dropping over 4%, and other companies like Huahong Semiconductor and SMIC also experiencing losses [13][14]. - The military sector also saw declines, with China Shipbuilding Defense falling over 4% [15]. Investment Outlook - Analysts from CICC suggest that the macro environment for Hong Kong stocks is characterized by abundant liquidity and structural highlights, leading to index fluctuations. UBS forecasts continued net inflows from mainland investors, with significant buying activity noted earlier in the year [16].