中芯国际，为何跳水？

Core Viewpoint - On October 9, 2025, SMIC's stock experienced a significant drop, with intraday declines exceeding 10%, following a notification from Dongfang Caifu Securities that adjusted SMIC's conversion rate from 0.7 to 0, raising market concerns [1][5][6] Group 1: Stock Performance - SMIC's A-shares saw a peak increase of over 9% in the morning, but closed down 0.87% [1] - The H-shares of SMIC also faced a substantial adjustment, with a peak increase of over 4% in the morning, followed by a nearly 8% drop in the afternoon [3] - The static P/E ratio of SMIC reached 300.44 after the drop, leading to the adjustment of the conversion rate to 0, as per regulations for stocks with a P/E ratio exceeding 300 [9] Group 2: Market Sentiment and Industry Outlook - The semiconductor industry is expected to benefit from the exponential growth in AI computing demand, with North American cloud companies experiencing rapid performance growth [1][16] - The domestic semiconductor supply chain is making continuous progress, and the industry is poised for a potential uplift in market conditions due to AI computing infrastructure, cyclical recovery, and the consumer electronics peak season [16] - Recent trends indicate a significant increase in global memory chip prices, with major manufacturers like Samsung and SanDisk adjusting their pricing strategies [16]