Market Trends - The domestic market indices showed a slight decline, with the Shanghai Composite Index closing at 3,909.52, down 0.37%, and the Shenzhen Component Index at 13,277.36, down 0.39% [4]. Industry Commentary - The communication industry is witnessing significant developments, particularly with Marvell's proposed acquisition of Celestial AI for approximately $3.25 billion, which is expected to accelerate the arrival of the Optical Interconnect (OIO) era within two years. The acquisition includes a cash component of $1 billion and approximately 27.2 million common shares, with additional performance-based payments potentially bringing the total to $5.5 billion [6]. - Celestial AI's technology aims to enhance the efficiency of AI clusters, achieving over twice the energy efficiency of copper interconnects and significantly reducing latency and power consumption. The technology is expected to contribute substantial revenue starting in the second half of the 2028 fiscal year [6]. - The successful launch of the Zhuque-3 rocket marks a significant milestone in commercial aerospace, with expectations for a substantial increase in launch capacity by 2026. This success is anticipated to alleviate the current bottleneck in national rocket launch capabilities [10]. Derivative Research - The investment value of the BaiRun convertible bond is highlighted, with a remaining term of 1.82 years and a bond balance of 1.127 billion yuan. The bond's market price is 121.84 yuan, with a conversion premium of 154.25% [11]. Key Recommendations - The report suggests focusing on several key areas within the communication and aerospace sectors, including: 1. CPO/OIO technologies: Companies such as Tianfu Communication, Zhongji Xuchuang, and others are recommended for investment [10]. 2. Domestic computing power: Companies like ZTE, Unisoc, and Inspur Information are highlighted as potential investment opportunities [10]. 3. Commercial aerospace: Companies such as Chaojie Co., Yinbang Co., and others are noted for their growth potential in the commercial aerospace sector [10]. Overall Market Performance - The overall market showed an upward trend during the week of December 1-5, 2025, with the Shenwan Communication Index rising by 3.69% and the ChiNext Index increasing by 1.86%. The satellite communication sector led the gains with an 11.60% increase [10].