碳化硅概念持续走强，科创半导体ETF（588170）涨超2%，天岳先进涨停

Group 1 - The Shanghai Stock Exchange's Sci-Tech Innovation Board semiconductor materials and equipment index has risen by 2.22%, with key stocks such as Tianyue Advanced hitting the daily limit, and Linweina and Naike Equipment increasing by 4.30% and 3.94% respectively [1] - The Sci-Tech Semiconductor ETF (588170) has increased by 2.30%, with the latest price reported at 1.16 yuan [1] - The semiconductor equipment and materials industry is a significant area for domestic substitution, characterized by low domestic substitution rates and high potential for growth, benefiting from the expansion of semiconductor demand driven by the AI revolution, technology restructuring, and advancements in lithography technology [1] Group 2 - Hangzhou Mude Micro-Nano has achieved a breakthrough in silicon carbide optical waveguide technology, publishing a paper in the journal eLight on the latest technology of the second generation silicon carbide optical waveguide [1] - The Sci-Tech Semiconductor ETF (588170) and its connected funds track the semiconductor materials and equipment index, encompassing 59% semiconductor equipment and 25% semiconductor materials within the Sci-Tech Innovation Board [1]