盘面上，能源金属、CPO概念、麒麟电池等板块涨幅居前，海南板块、空间站概念、京东金融等板块跌 幅居前。 个股方面，A股3626股飘红，57股涨停，其中，新股沐曦股份上市首日大幅收涨692.95%，报829.9元/ 股。此外，1635股飘绿，其中25股跌停。 北京商报讯（记者 马换换 李佳雪）12月17日，A股三大股指开盘涨跌不一，早盘期间保持震荡态势。 午后开盘，三大股指集体走强。截至收盘，上证综指、深证成指、创业板指分别收涨1.19%、2.4%、 3.39%，分别报3870.28点、13224.51点、3175.91点。 成交金额方面，沪市成交金额7668.21亿元，深市成交金额10443.25亿元，两市合计成交金额约1.81万亿 元。 ...

Group 1 - The ChiNext Index has surpassed the 2900-point threshold, increasing by 3%, marking a new high in over three years [1] - Sectors such as Kirin batteries, sodium-ion batteries, and lithium mining concepts have shown significant gains [1] Group 2 - The ChiNext Index's increase expanded to 2%, while the Shanghai Composite Index rose by 0.54% and the Shenzhen Component Index increased by 1.06% [3] - Earlier in the day, the ChiNext Index had already expanded its gains to 1% [3]

Group 1 - The ChiNext Index has surpassed the 2900-point threshold, increasing by 3%, marking a new high in over three years, with sectors such as Kirin batteries, sodium-ion batteries, and lithium mining leading the gains [1] - The ChiNext Index's increase has expanded to 2%, while the Shanghai Composite Index rose by 0.54% and the Shenzhen Component Index increased by 1.06% [3] - The ChiNext Index's increase initially reached 1% before further expanding [4]

Market Performance - On August 18, A-shares experienced a significant rally, with the Shanghai Composite Index reaching a nearly ten-year high, closing up 0.85% at 3728.03 points [1][3] - The Shenzhen Component Index and the ChiNext Index also saw substantial gains, closing up 1.73% and 2.84% respectively, marking their highest levels in over two years [1][3] - The North Exchange 50 Index surged by 6.79%, reaching a historical high of 1576.63 points, with several stocks hitting the daily limit [1][3] Trading Volume - The trading atmosphere was robust, with a total trading volume of approximately 2.76 trillion yuan across both the Shanghai and Shenzhen exchanges, setting a new annual record [2][3] - The trading volume has exceeded 2 trillion yuan for four consecutive trading days, indicating strong market activity [2] Individual Stock Performance - Oriental Fortune led individual stock trading with a turnover of about 450.44 million yuan, closing up 4.07% at 27.85 yuan per share, reaching a new annual high [4] - Other notable stocks with trading volumes exceeding 100 million yuan included ZTE Corporation, New Yisheng, and others, reflecting widespread investor interest [4] Market Sentiment and Outlook - The current market is transitioning from a localized bull market to a more comprehensive bull market, with expectations of sustained growth over the next two to three years [2][5] - The increase in market confidence is attributed to supportive policies and a significant influx of capital into the A-share market [5]