A股收评：创业板指涨近2%，培育钻石、煤炭板块爆发

Market Overview - The three major A-share indices rebounded collectively, with the Shanghai Composite Index rising by 0.63% to 3863 points, the Shenzhen Component Index increasing by 0.98%, and the ChiNext Index gaining 1.98% [1] - The total market turnover was 1.75 trillion yuan, a decrease of 203.1 billion yuan compared to the previous trading day, with over 4000 stocks rising [1] Sector Performance - The cultivated diamond sector saw significant gains, with stocks like Huanghe Xuanfeng, Sifangda, and Hengsheng Energy hitting the daily limit [2][4] - The coal sector also performed well, with stocks such as Baotailong, Zhengzhou Coal Electricity, and Dayou Energy reaching the daily limit [2][6] - Gas stocks rose, and the CPO concept was active, with Cambridge Technology hitting the daily limit [2] - Other sectors with notable gains included F5G concept, robotics, digital watermarking, and brain-computer interface [2] - Conversely, precious metals and gold concepts experienced declines, with Hunan Silver and Western Gold hitting the daily limit down [2] Individual Stock Highlights - In the cultivated diamond sector, stocks like Huifeng Diamond rose by 29.98%, Sifangda by 19.98%, and Liliang Diamond by over 18% [5] - The coal sector saw stocks like Shaanxi Black Cat and Antai Group rising by 10.10%, with several others also hitting the daily limit [6] - Semiconductor stocks were active, with Longguang Huaxin rising over 9% and Silan Micro increasing over 8% [8][9] Banking Sector - Bank stocks showed a mixed performance, with Xi'an Bank rising nearly 3% and Agricultural Bank of China increasing over 1%, setting a new historical high [10][11] Precious Metals and Agriculture - Precious metal stocks faced significant declines, with Hunan Silver down by 9.95% and Western Gold down by 9.80% [12] - Agricultural stocks, particularly in the pork sector, also saw declines, with Hai Da Group down over 6% [13] Future Outlook - CITIC Securities anticipates that the A-share market will likely exhibit a pattern of "initial suppression followed by a rise, with fluctuations and consolidation" [17] - Key investment themes include technology growth (AI applications/semiconductors), dividend value (banks/coal), and sectors showing improvement (military industry/storage) [17]