智通财经网·2025-07-03 11:20Group 1 - The core viewpoint is that the lifting of export restrictions on EDA software to China by the U.S. has led to significant stock price increases for Synopsys and Cadence, indicating a potential easing of trade tensions between the U.S. and China [1] - Synopsys stock rose approximately 5.74% and Cadence increased about 5.80% in pre-market trading, while Siemens also saw a nearly 3% rise in Frankfurt [1] - Synopsys, Cadence, and Siemens collectively hold over 70% market share in the Chinese EDA market, highlighting their dominance in this critical sector [1] Group 2 - The U.S. Department of Commerce has also lifted earlier restrictions on ethane exports to China, indicating a dual approach to trade easing [1] - Recent developments in U.S.-China rare earth trade, including an agreement to accelerate U.S. rare earth imports, reflect ongoing adjustments in trade relations [2] - Despite the easing of tensions in the semiconductor sector, export controls on advanced technologies, such as NVIDIA's AI chips, remain in place, indicating that challenges persist in specific high-tech areas [2]