GigaDevice(SH:603986) Zhong Guo Zheng Quan Bao·2026-01-05 08:57Market Overview - On the first trading day of 2026, the three major indices in A-shares experienced significant gains, with the Shanghai Composite Index rising by 1.38% and returning to the 4000-point mark, while the Shenzhen Component Index and the ChiNext Index increased by 2.24% and 2.85% respectively. The total market turnover reached approximately 2.57 trillion yuan, an increase of over 500 billion yuan compared to the previous trading day, with more than 4100 stocks rising [1]. Sector Performance - The storage chip sector showed strong performance, with leading stock Zhaoyi Innovation seeing a net inflow of 2.046 billion yuan, ranking first in A-shares and being the only stock with net inflow exceeding 2 billion yuan. Zhaoyi Innovation's stock price hit the daily limit, closing at 235.68 yuan per share, with a total market capitalization of 157.4 billion yuan. The stock price increased by 101.17% in 2025 [3][4]. - Other stocks in the storage chip sector, such as Hengsuo Co., Yunhan Chip City, and Puran Co., also reached their daily limit, indicating a strong upward trend in this sector [5]. Future Outlook - According to research from Guojin Securities, the demand for AI is expected to drive significant price increases in storage chips, with DDR4 16Gb prices projected to rise by 1800%, DDR5 16Gb by 500%, and 512Gb NAND flash by 300% by 2025. The global demand for storage chips is anticipated to continue exceeding supply in 2026, leading to sustained price increases [9]. - Research from招商证券 suggests that the growth in AI demand will drive the expansion of global storage and advanced process capacities, with domestic storage and advanced process expansions expected to accelerate from 2026 to 2027, benefiting domestic equipment manufacturers with strong order flows [9]. Brain-Computer Interface Sector - The brain-computer interface sector experienced a surge, with stocks like Beiyikang and Botao Bio reaching their daily limits. The sector was the top performer on the Tonghuashun gainers list, with over ten stocks hitting the daily limit [11]. - The announcement by Elon Musk regarding Neuralink's plans to start large-scale production of brain-computer interface devices in 2026, along with nearly fully automated surgical procedures, marks a significant milestone for the sector, transitioning brain-computer interfaces from experimental tools to widely available products [11].