A股三大指数早盘集体上涨，截至午盘，沪指涨1.17%，深成指涨2.07%， 创业板指涨3.11%， 北证50指 数涨1.42%，沪深京三市半日成交额15045亿元，较上日放量1096亿元。全市场超4400只个股上涨。 板 块题材上， 光伏设备、短剧 游戏、光纤、CPO、 染料、 培育钻石、 半导体、 算力租赁板块涨幅居 前； 白酒、石油 天然气、 银行板块表现落后。盘面上，马斯克下注光伏制造，光伏板块全线大涨， TCL中环、 亚玛顿、 双良节能等20余股涨停。黄仁勋直言AI建设还有七八年路要走，光纤、CPO等算 力硬件股同样大幅拉升， 天孚通信盘中涨停， 长飞光纤再创新高。染料巨头连环上调染料价格4000元/ 吨，推动染料板块走强， 闰土股份、 吉华集团等股收获涨停。此外，短剧游戏、算力租赁、半导体等 板块多点开花。另一方面，受资金分流影响，石油天然气板块表现稍稍落后， 潜能恒信、 中曼石油部 分个股下跌，整个市场涨多跌少。 ...

Market Performance - The three major indices collectively rose in early trading, with the Shanghai Composite Index up by 1.17%, the Shenzhen Component Index up by 2.07%, and the ChiNext Index up by 3.11% [1] - The total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 1.5045 trillion yuan, an increase of 109.6 billion yuan compared to the previous day [1] - Over 4,400 stocks in the market experienced gains [1] Sector Performance - The photovoltaic equipment, short drama games, optical fiber, CPO, dye, cultivated diamonds, semiconductors, and computing power leasing sectors saw significant gains [1] - The liquor, oil and gas, and banking sectors lagged behind in performance [1] Notable Company Movements - Elon Musk's investment in photovoltaic manufacturing led to a surge in the photovoltaic sector, with over 20 stocks, including TCL Zhonghuan, Yamaton, and Shuangliang Energy, hitting the daily limit [1] - Jensen Huang stated that AI development still has seven to eight years to go, contributing to significant increases in optical fiber and CPO hardware stocks, with Tianfu Communication hitting the daily limit and Changfei Optical Fiber reaching a new high [1] - Major dye manufacturers raised dye prices by 4,000 yuan per ton, boosting the dye sector, with stocks like Runtu Co. and Jihua Group also hitting the daily limit [1] - Other sectors such as short drama games, computing power leasing, and semiconductors also showed strong performance [1] Market Dynamics - The oil and gas sector underperformed due to capital diversion, with some stocks like Potential Energy and Zhongman Petroleum experiencing declines [1] - Overall, the market saw more stocks rising than falling [1]

Zhejiang Longsheng's 1Q25 revenue/attributable net profit (NP)/recurring NP were RMB3.24/0.40/0.29bn (-7.2/+100.4/+3.5% yoy, -38.7/-41.5/-57.7% qoq). The 1Q25 attributable NP beat our prior forecast (RMB300mn), mainly driven by its property business. Maintain OVERWEIGHT, considering a demand recovery in dye and intermediate products and continued revenue contributions from property operations. Equity Research Report Zhejiang Longsheng (600352 CH) 1Q25 NP Improved Yoy, Property Business to Contribute Revenue ...