A股尾盘冲高，超2800股上涨，科创50涨超7%，寒武纪创新高成新股王

Market Performance - The A-share market saw significant gains on August 28, with the Shanghai Composite Index rising over 1%, the Shenzhen Component Index increasing over 2%, and the ChiNext Index surging nearly 4% [1][2]. Sector Analysis - The CPO and other computing hardware stocks maintained strong performance, with companies like Tianfu Communication reaching new historical highs [4]. - The current market trend is centered around AI technology, with the ChiNext Index representing growth sectors such as electronics and communications, which have outperformed the broader market [7]. Notable Stocks - Cambrian Technology (寒武纪) experienced a late surge, rising over 15% to become the "king of A-shares," with its stock price reaching 1587.91 yuan, surpassing Kweichow Moutai [9][10]. - Cambrian's market capitalization is approximately 664.3 billion yuan, with a price-to-earnings ratio of 595 [11]. Semiconductor Industry Insights - The advanced packaging market in China is projected to grow rapidly, with an expected market size of 69.8 billion yuan by 2024 and a compound annual growth rate of 18.7% from 2020 to 2024 [13]. - The semiconductor industry is experiencing a shift towards domestic alternatives, supported by policies and capital, which is expected to enhance the competitive landscape for local firms [13]. - TSMC has raised its revenue growth forecast from around 25% to 30% due to strong AI demand, while domestic companies like SMIC and Huahong are optimistic about their order demand outlook [13].