A股午评：创业板指大涨2%，沪指刷新年内新高，存储芯片、军工皆强势

Market Performance - The three major A-share indices collectively rose in the morning session, with the Shanghai Composite Index increasing by 0.42%, reaching a new year-high of 3946.16 points at its peak [1] - The Shenzhen Component Index rose by 1.3% to 13195 points, while the ChiNext Index saw the largest gain, closing up 2.09% at noon [1] - Over 2900 stocks in the Shanghai, Shenzhen, and Beijing markets were in the green, with a total transaction volume of 1.24 trillion yuan in the morning [1] Sector Performance - The storage chip and commercial aerospace sectors experienced a collective surge, with stocks like Purun Co. and Dawi Co. hitting the daily limit [1] - Commercial aerospace concept stocks such as Aerospace Zhizhuang and China Satellite also reached their daily limits [1] - Broader technology sectors, including quantum technology, military equipment, and brain-computer interface stocks, showed strong performance [1] - Stocks related to computing hardware, such as PCB and CPO, also saw gains, with companies like Shengyi Electronics and Kexiang Co. hitting the daily limit [1] Energy and Banking Sector - Conversely, the energy sector, including coal and gas, faced adjustments, with Baichuan Energy hitting the daily limit down and Yunmei Energy nearing the limit down [1] - Local Shenzhen stocks, which had surged previously, collectively corrected, with Shen Shui Gui Yuan dropping over 10% and leading declines in Shen Property A and Shen Textile A [1] - Most continuously rising bank stocks experienced declines, with Jiangyin Bank dropping over 3%, and several others, including Qingdao Bank and Chongqing Bank, falling over 1% [1] - Agricultural Bank turned positive after initially dropping about 2% in the morning session [1]