快讯：恒指高开0.25% 恒科指涨0.15% 芯片股普跌 机器人概念股活跃

Core Viewpoint - US stock market showed mixed performance with technology stocks facing sell-offs after earnings reports, impacting the Nasdaq index negatively, while the three major indices closed with varied results [1][4]. Group 1: US Market Performance - The US dollar remained stable, and the yield on the 10-year Treasury note fell to 4% [1][4]. - Gold and oil prices exhibited weak performance [1][4]. Group 2: Hong Kong Market Performance - Hong Kong's three major indices opened higher, with the Hang Seng Index rising by 0.25% to 26,447.05 points [1][4]. - The Hang Seng Tech Index increased by 0.15% to 5,117.24 points, while the National Enterprises Index rose by 0.04% to 8,817.53 points [2][5]. Group 3: Sector Performance - In the technology sector, stocks showed mixed results, with Baidu declining over 1% and JD.com increasing over 1% [1][4]. - Robotics concept stocks were active, with SenseTime rising over 4% [1][4]. - The metals sector opened higher, with Zijin Mining increasing over 1% [1][4]. - Chip stocks generally fell, with Zhaoyi Innovation dropping over 4% [1][4]. - Automotive stocks weakened, with NIO declining nearly 1% [1][4].