光模块爆发，3股20cm涨停，抗流感股走高，小米市值重回万亿港元

Market Overview - Major stock indices in the Asia-Pacific region mostly rose, with the South Korean Composite Index and Nikkei 225 both experiencing slight gains, while SoftBank Group saw a significant decline of nearly 10%, marking its largest drop since November 5 [1] - The A-share market showed a strong upward trend, with the ChiNext Index closing up nearly 2% and total trading volume in the Shanghai and Shenzhen markets reaching 1.83 trillion yuan, an increase of 858 billion yuan from the previous trading day [1] Sector Performance - The AI application concept surged again, with Yongji Software achieving six consecutive trading limits in seven days, and Shida Group hitting four consecutive limits. Computing hardware stocks remained strong, with Tefa Information achieving three consecutive limits, and Changfei Optical Fiber and Huilv Ecology hitting trading limits [2] - The Optical Module (CPO) Index saw a significant increase of 8.2%, with companies like Dekoli, Changguang Huaxin, and Guangku Technology all hitting the upper limit of 20% [3] Pharmaceutical Sector - Stocks related to flu treatment experienced substantial movements, with companies like Peking University Medicine and Guangji Pharmaceutical reaching trading limits. Sales of Oseltamivir surged by 237% over the past week, while sales of Sofosbuvir increased by 180% [4] - The Fujian sector also saw rapid gains, with Fujian Expressway and China Wuyi hitting trading limits [4] Hong Kong Market - In the Hong Kong market, Bilibili rose by approximately 5%, Baidu Group increased by over 4%, and Xiaomi rebounded nearly 4%, regaining a market capitalization of over 100 billion HKD. Xiaomi's stock had previously dropped over 35% since reaching a yearly high on June 27 [4] - Xiaomi's recent stock buybacks, totaling over 2.15 million shares and exceeding 800 million HKD, reflect a significant commitment to supporting its stock price, with total buyback amounts surpassing 2.3 billion HKD this year [4] Investment Insights - According to Goldman Sachs' chief China equity strategist, the rise of Chinese stocks led by AI is not a bubble, and there remains room for technology companies to enhance valuations and profitability through a focus on AI applications. The Hong Kong internet sector, characterized by valuation gaps and profit elasticity, may be worth special attention [4]