午间涨跌停股分析：52只涨停股、1只跌停股，量子科技概念活跃，神州信息2连板

Group 1 - A-shares experienced significant activity with 52 stocks hitting the daily limit up and 1 stock hitting the limit down on October 30 [1] - Quantum technology concept stocks were notably active, with Shen Zhou Information achieving a consecutive limit up, and Zhejiang Dongfang and ST Fuhua also hitting the limit up [1] - Lithium mining concept stocks showed strength, with Da Zhong Mining achieving a consecutive limit up, and Yongxing Materials and Jiangte Electric hitting the limit up [1] Group 2 - Several stocks have shown remarkable consecutive limit up performances, including *ST Dongyi with 13 limit ups in 18 days, *ST Wan Fang with 11 limit ups in 14 days, and ST Zhongdi with 10 consecutive limit ups [1] - Other notable performances include Shikong Technology with 7 consecutive limit ups, Chang Aluminum with 4 limit ups in 6 days, and ST Xinhua Jin with 4 limit ups [1] - Stocks such as Rui Er Te and De Long Hui Neng achieved 3 consecutive limit ups, while companies like Fangzheng Electric and ST Dehao had 2 consecutive limit ups [1] Group 3 - *ST Yuancheng has faced a continuous decline, hitting the limit down for 14 consecutive days [2] - The formation of a MACD golden cross signal indicates a positive trend for certain stocks [3]