午盘异动！“牛市旗手”拉升 涨停潮来了

Market Overview - The A-share market experienced significant gains, with the ChiNext Index rising by 4.31%, marking a new high since January 2022 [4][11] - The Shanghai Composite Index increased by 1.12%, while the Shenzhen Component Index rose by 2.63% [2][4] - Over 3,386 stocks saw gains, with more than 73 stocks hitting the daily limit [2][4] Sector Performance - The computing hardware sector led the market rally, particularly chip stocks, which saw substantial increases [4][9] - Notable stocks included Haiguang Information, which hit a 20% limit up, and several others like Juguang Technology and Xinxiang Microelectronics also achieved 20% gains [7][9] - Other sectors such as innovative drugs, biotechnology, and tourism saw declines [4] Notable Stock Movements - Semiconductor stocks collectively surged, with companies like Huahong Semiconductor and SMIC rising over 5% [6][7] - The brokerage sector also saw significant activity, with Guohai Securities hitting the daily limit and other firms like Pacific Securities and Zhongyuan Securities following suit [12][13] Major News Impact - OpenAI signed a significant agreement with Oracle to purchase $300 billion worth of computing power over five years, leading to a 36% surge in Oracle's stock price, adding approximately $250 billion to its market capitalization in a single day [11]