爆发！超百股涨停

Market Performance - A-shares showed strong performance with the Shanghai Composite Index surpassing 3900 points, closing at 3917.36, up 0.69% [1] - The Shenzhen Component Index rose 1.47%, while the ChiNext Index and the STAR 50 Index both increased over 2% [1][2] - Total trading volume in the Shanghai and Shenzhen markets reached 1.8825 trillion yuan, an increase of 133.6 billion yuan from the previous day [1] Semiconductor Sector - The semiconductor sector experienced significant gains, with stocks like Kema Technology and Lianang Microelectronics hitting the daily limit, and SMIC and Haiguang Information rising over 5% [5][6] - Notably, Kema Technology's stock price reached a historical high of 466.66 yuan per share, marking a tenfold increase from its low of 46.56 yuan earlier in the year [2] Hainan Free Trade Zone - The Hainan Free Trade Zone concept surged, with over 20 stocks hitting the daily limit, including Shennong Agriculture and Kangzhi Pharmaceutical, both up 20% [9][10] - The official launch of the Hainan Free Trade Port on December 18 led to a significant increase in consumer activity, with duty-free sales in Sanya reaching 118 million yuan on the first day [11] - The policy changes are expected to reduce import tax burdens by approximately 20% for related enterprises, enhancing market activity and consumer attraction in tourism and retail sectors [11] AI Industry - Stocks related to the AI industry, particularly in the CPO concept, saw active trading, with Kega Precision rising over 17% and Changxin Bochuang increasing nearly 13% [13][14] - The demand for high-bandwidth network hardware is growing due to the rapid upgrades in GPU and ASIC technologies, with expectations for continued high growth in 800G optical module demand through 2026 [15]