news flash·2025-07-02 03:32Market Overview - The three major A-share indices collectively declined in the morning session, with the Shanghai Composite Index down 0.04%, the Shenzhen Component Index down 0.42%, and the ChiNext Index down 0.84% [1] - The total market turnover for the half-day was 867.4 billion yuan, a decrease of 113.8 billion yuan compared to the previous day, with over 3,200 stocks declining [1] Sector Performance - The marine engineering, aquaculture, photovoltaic, and non-ferrous metal sectors showed the highest gains, while computing hardware, semiconductors, brain-computer interfaces, and diversified finance sectors experienced the largest declines [2] - The marine engineering sector saw a collective surge, with stocks like Deepwater Haina (300961), Dalian Heavy Industry (002204), and Shenkai Co. (002278) hitting the daily limit [2] - Photovoltaic concept stocks also rallied, with Yijing Optoelectronics (600537), Oujing Technology (001269), and Yamaton (002623) reaching the daily limit [2] - The banking sector remained active, with China Construction Bank and Shanghai Pudong Development Bank reaching new highs [2] - The non-ferrous metal sector was also active, with Jingyi Co. (002295) hitting the daily limit and Zijin Mining reaching a new high [2] - In contrast, computing hardware and semiconductor stocks collectively declined, with stocks like Blue Arrow Electronics (301348), Taiji Co. (300046), and Kexiang Co. (300903) leading the losses [2] - The diversified finance and digital currency sectors showed weakness, with Aijian Group (600643) hitting the daily limit down, and other stocks like Hongye Futures (001236), Cuiwei Co. (603123), and Lakala (300773) also declining [2] Notable Stocks - The strongest stocks included Chengbang Co. (603316) with five consecutive limits, and several stocks with three consecutive limits such as Kai Mei Teqi (002549) and Xuedilong (002658) [3][4] Hot Sectors - The marine engineering sector was the top performer with 11 stocks hitting the daily limit, while the nuclear power sector had 10 stocks hitting the daily limit [5][6] - The Belt and Road sector also had 10 stocks hitting the daily limit, with notable stocks including Kangda New Materials (002669) and Hailide (002206) [7] Sector Insights - The marine engineering sector is expected to benefit from the emphasis on high-quality development of the marine economy as highlighted in the Central Financial Committee's sixth meeting [10] - In the photovoltaic sector, a collective production cut of 30% by major glass manufacturers is anticipated to address supply-demand imbalances, with July's glass supply expected to decrease to 45GW [11] - The non-ferrous metal sector is influenced by renewed discussions on copper tariffs and low LME inventories, with expectations of copper prices remaining strong in the second half of the year [12]