A股震荡上涨，沪指重回3500点，机器人板块爆发

Market Overview - A-shares experienced a rebound with the Shanghai Composite Index returning to the 3500-point mark, closing at 3505.85, up 0.24% [1] - The Shenzhen Component Index rose by 0.26% to 10615.70, while the ChiNext Index increased by 0.31% to 2187.74 [1] - In contrast, Hong Kong's Hang Seng Index fell by 0.59% to 24006.36, and the Hang Seng Tech Index dropped by 0.72% to 5287.73 [2][3] Sector Performance - The robotics sector showed significant activity, with notable gains in stocks such as Jingpin Special Equipment, which rose over 10%, and Zhongdali De, which hit the daily limit [5][6] - Electric power stocks continued their strong performance, with Huayin Power achieving a 9.23% increase, marking its sixth consecutive trading day of gains [7] Bond Market - The bond market displayed mixed results, with the 10-year government bond futures contract rising by 0.01%, while the 2-year contract fell by 0.01% [4] Commodity Market - Domestic commodity futures mostly trended upward, with polysilicon rising nearly 3% and alumina increasing by nearly 2% [9]