A股早评：三大指数低开后迅速翻红，卫星导航板块活跃！开普云涨超12%，中国卫星涨超7%，朗进科技跌超8%，腾龙股份跌超6%

Market Overview - The A-share market opened lower with all three major indices declining: Shanghai Composite Index down 0.1% at 3796.71 points, Shenzhen Component Index down 0.33%, and ChiNext Index down 0.58% [1] Sector Performance - The satellite navigation sector opened high, with notable gains: Broadcom Integrated (603068) hitting the daily limit, Kaipu Cloud rising over 12%, and China Satellite (600118) increasing over 7%. This follows the Ministry of Industry and Information Technology's issuance of guidelines to optimize business access and promote the satellite communication industry [1] - The rare earth permanent magnet concept stocks opened lower, with Keheng Co., Ltd. (300340) dropping over 5%, Huahong Technology and Dadi Bear both falling over 3% [1] - Some liquid cooling server concept stocks experienced adjustments, with Langjin Technology (300594) declining over 8% and Tenglong Co., Ltd. (603158) down over 6% [1]