CPO概念爆发，“易中天”大涨，天孚通信、中际旭创创历史新高

Group 1 - The A-share market saw a strong performance on December 8, with all three major indices rising, particularly the ChiNext index which increased by over 2% [2] - The CPO sector experienced a significant surge, with stocks such as Dongtian Micro and Zhishang Technology hitting the 20% daily limit, while Yitian shares rose over 10% [2] - Historical highs were reached by companies like Zhongji Xuchuang and Tianfu Communication in the CPO sector [2] Group 2 - Amazon Web Services (AWS) introduced a new generation of AI training chips called Trainium at its annual cloud computing event re:Invent, and announced plans for the next generation product, Trainium 4 [2] - Morgan Stanley's latest research indicates that Google's TPU production is expected to increase significantly, which could lead to substantial revenue growth for Alphabet [2] - The forecast for Google's TPU production in 2027 was raised from approximately 3 million units to 5 million units, an increase of 67%, and the 2028 forecast was adjusted from about 3.2 million units to 7 million units, a rise of 120% [2]