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Group 1 - Major semiconductor companies, including TSMC, Samsung, Micron, and SanDisk, have announced price increases for their products, reflecting the strong demand driven by the AI wave and data center construction [1][3] - TSMC plans to raise prices for its 3nm and 2nm process nodes, with the 2nm process expected to see a price increase of at least 50% compared to the 3nm process, significantly exceeding market expectations [2][3] - The price hikes in memory chips include a 30% increase for DRAM products and a 5% to 10% increase for NAND flash products from Samsung, driven by supply constraints and surging demand from cloud enterprises [3] Group 2 - TSMC's strong pricing strategy highlights its dominant position in the supply chain, with major clients like Apple and Nvidia relying on its advanced process technologies for their next-generation chips [3] - The stock prices of major memory chip manufacturers, including Samsung and SK Hynix, have risen in response to the price increases, indicating a positive market reaction [3] - The overall performance of the US stock market remains mixed, with major tech stocks experiencing declines, while semiconductor stocks show strength due to the price increase announcements [3]