半导体集体爆发，港股科网股下挫，智谱5天狂飙超120%

Market Overview - On February 13, A-shares experienced a collective decline, with the ChiNext Index leading the drop, closing down 0.96%. The Shanghai Composite Index fell by 0.7%, and the Shenzhen Component Index decreased by 0.67%. The total trading volume in the Shanghai and Shenzhen markets reached 1.2 trillion yuan, with over 2,600 stocks declining [1]. Sector Performance - The military industry sector showed strong performance, with Aystar Anchor Chain (601890) hitting the daily limit. The semiconductor sector was active, with concepts related to photolithography and photolithography adhesives rapidly rising. Guofeng New Materials (000859) achieved two consecutive trading limits in four days, while Fuchuang Precision rose over 12%. Semiconductor equipment concepts continued to strengthen, with Shenghui Integration (603163) hitting the daily limit and reaching a historical high [2]. - In contrast, the port and shipping sector saw a collective decline, with China Merchants Energy (600026) and China Merchants Shipping (601872) experiencing significant drops. The photovoltaic equipment sector weakened, with leading stock Shuangliang Energy (600481) hitting the daily limit and losing 2 billion yuan in market value in one day. Other stocks like GCL-Poly Energy (002506) fell over 8% [3]. Hong Kong Market - The Hong Kong market opened lower and continued to decline, with the Hang Seng Index down 1.8% and the Hang Seng Tech Index down 1.6%. Major tech stocks saw declines, with Tencent Music dropping over 10%, Meituan down over 4%, and Baidu Group down 4%. Other companies like JD.com, Bilibili, Li Auto, Alibaba, and Trip.com also experienced declines of over 2% [3]. - The semiconductor sector in Hong Kong showed strength, with Aixin Yuan Zhi rising over 16% and Tian Shu Zhi Xin increasing over 9%. Other stocks like Zhaoyi Innovation (603986) and Brain Hole Technology also saw gains. The large model concept stocks performed actively, with Zhipu Technology reaching a historical high of 492 HKD before narrowing its gains to 12%, having increased over 120% this week [3]. New Listings - The new stock Haizhi Technology Group had an impressive debut, rising over 268% during the day to 99.6 HKD, with a profit of 14,505 HKD per lot based on the issue price of 27.06 HKD per share. The public offering phase recorded an oversubscription of 5,065.06 times, ranking among the top in recent years for Hong Kong IPOs [4]. - Industrial analysts at Industrial Securities expressed optimism for the Hong Kong market, suggesting a "technology bottom + cyclical recovery + beta in dividends" approach to embrace the spring market. Current short-selling transactions account for about 19.2%, indicating that market sentiment has reached a relatively low point, providing momentum for a short-term rebound [4].