Group 1: Institutional Trading Insights - A total of 34 stocks were listed on the institutional trading leaderboard, with 18 stocks experiencing net buying and 16 stocks facing net selling [1] - The top three stocks with the highest net buying by institutions were Innovation Medical, Shengke Communication, and Shuangyi Technology [1] Group 2: Stock Performance and Institutional Interest - Innovation Medical (002173.5Z) saw a price increase of 9.99% with a net buying amount of 117 million [2] - Shengke Communication (688702.55) experienced a significant price rise of 19.27% with a net buying amount of 91.51 million [2] - Shuangyi Technology (300690.SZ) had a price increase of 7.60% with a net buying amount of 78.56 million [2] Group 3: Industry Trends and Developments - The domestic AI chip sector is highlighted, with companies like Cambricon and Shanghai Hejing being noted for their roles in the market [3] - The demand for advanced packaging in AI chips is increasing due to growing computational needs and slowing technological supply, presenting opportunities for domestic AI chip manufacturers [3] - The urgency for domestic chip production has been heightened by multiple U.S. restrictions on AI chips and their supply chains [3] Group 4: Robotics Industry Developments - A company plans to acquire a 53.29% stake in Nanjing Shenyuan Intelligent Technology for 213 million, marking its entry into the robotics industry [5] - The company’s subsidiary, Zhongnuo Communications, is providing hotel robot JDM/OEM services and has achieved initial shipments [5] - Price trends for robotics products show a clear gradient from industrial to commercial to research modifications, indicating a potential for price reductions as commercialization scales up [5]

21世纪经济报道记者周慧 北京报道 4月19日早上五六点，数百名中外媒体记者，从北京市不同的乘车集合点出发，到亦庄（北京经开区） 参加这场全球瞩目的2025北京亦庄半程马拉松暨人形机器人半程马拉松。 作为全球首个机器人马拉松，20支战队的人形机器人是主角。七点半，机器人开跑，包括央视在内的媒 体直播链接在社交媒体上刷屏，很多人参与到点评机器人赛事中。 来自亦庄的北京人形机器人创新中心展位最为热闹，天工Ultra会夺冠几乎是共识，很多媒体已经早早 赶到天工展位拍摄素材。21世纪经济报道记者了解到，北京人形机器人创新中心近期还要召开天工2.0 的发布会，因为马拉松赛事延期，天工2.0的发布会也顺延了。 2025年，人形机器人从资本市场火到了春晚，地方政府也在竞相培育区域的明星机器人公司。部分参赛 明星机器人公司背后的资方，也吸引了地方国资的参与，这场赛事也是区域明星机器人公司的一次"秀 肌肉"。 赛后一位来自日本大阪的马拉松爱好者兴奋地向记者展示他的机器人造型奖牌，他为了参赛连续两周从 日本飞北京，前一周因为极端天气导致赛事延期，飞到北京后又返回日本。在他看来，这是历史上首个 人机共跑的赛事，能参赛也是见证历史。 ...