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 at a decrease of 0.96% [1] - The Shanghai Composite Index fell by 0.7%, while the Shenzhen Component Index decreased by 0.67% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.2 trillion yuan, with over 2,600 stocks declining [1][2] Index Performance - Shanghai Composite Index: 4105.04, down 28.98 points (-0.70%) [2] - Shenzhen Component Index: 14187.44, down 95.55 points (-0.67%) [2] - ChiNext Index: 3295.99, down 32.07 points (-0.96%) [2] - Total A-shares: 6800.24, down 33.64 points (-0.49%) [2] Sector Performance - The military industry sector showed strong performance, with stocks like Yaxing Anchor Chain hitting the daily limit [3] - The semiconductor sector was active, with significant gains in stocks related to photolithography machines and materials, such as Guofeng New Materials and Fuchuang Precision [3] - Storage prices continued to rise in January, with DRAM and NAND Flash industries reaching record high outputs [3] Declining Sectors - The port and shipping sector saw a collective decline, with stocks like COSCO Shipping Energy and China Merchants Jinling experiencing significant drops [4] - The photovoltaic equipment sector weakened, highlighted by the sharp decline of Shuangliang Energy, which saw a market value loss of 2 billion yuan in one day [4] Hong Kong Market - The Hang Seng Index fell by 1.8%, with the Hang Seng Tech Index down by 1.6% [4] - Major tech stocks in Hong Kong, including Tencent Music and Meituan, experienced declines of over 10% and 4%, respectively [4][6] Notable Stock Movements - Semiconductor stocks like Aixin Yuan Zhi and Tian Shu Zhi Xin saw gains of over 16% and 9%, respectively [7] - The new stock Haizhi Technology Group had a remarkable debut, surging over 268% on its first day of trading [8] Market Sentiment - Current market sentiment in Hong Kong is relatively low, with short-selling transactions accounting for about 19.2%, indicating potential for a short-term rebound [8]