ST百灵连续4日跌停，天元股份跌停。 连板股方面，胜通能源11连板，嘉美包装11天9板，神剑股份7连板，海南发展6天5板，*ST建艺5连 板，华联控股6天4板，九鼎新材4连板，通宇通讯5天3板，天际股份4天3板，鲁信创投、五洲特纸等3连 板，深圳新星、德力股份4天2板，钧达股份3天2板，*ST铖昌、中核科技等2连板，航天发展、协鑫集 成等涨停。 12月26日午间，A股半日下来共有57只涨停股、2只跌停股。铁矿石概念活跃，*ST正平5天3板，海南矿 业涨停；锂矿概念走强，国城矿业、永兴材料涨停。 ...

Group 1 - A-shares experienced significant market activity on October 17, with 44 stocks hitting the daily limit up and 28 stocks hitting the limit down [1] - The precious metals sector was notably active, with silver-related stocks achieving five limit ups in seven days [1] - Iron ore concept stocks showed strength, highlighted by Guangdong Mingzhu reaching the limit up [1] Group 2 - ST Ercai faced a continuous decline, recording six limit downs over seven days [2] - Songyang Resources and Tianpu Shares also experienced consecutive limit downs for two days [2] - Other companies such as ST Guohua and ST Yatai also hit the limit down [2]

Core Viewpoint - The A-share market showed significant activity with 37 stocks hitting the daily limit up and 13 stocks hitting the limit down, indicating a volatile trading environment on October 17th [1] Group 1: Market Performance - The iron ore concept stocks were particularly active, with Guangdong Mingzhu reaching the daily limit up [1] - Notable stocks with consecutive limit ups include Dayou Energy and Hefei Urban Construction with 5 limit ups in 6 days, and Yuanda Holdings with 4 consecutive limit ups [1] - Other stocks showing strong performance include Guo Xin Energy with 3 limit ups in 4 days, and Shanghai Shendi Development and ST Xinhuajin with 3 consecutive limit ups [1] Group 2: Declining Stocks - *ST Yuancheng experienced 5 consecutive limit downs, indicating significant downward pressure [1] - Other stocks facing declines include Songyang Resources and Tianpu Shares, both with 2 consecutive limit downs, and *ST Jinbi and *ST Yatai also hitting the limit down [1]

Group 1 - Iron ore concept stocks experienced a widespread decline, with Hong Kong's Iron Ore Holdings (1029.HK) dropping by 13.66% and Easy Dazhong (1733.HK) falling nearly 4% [1] - The Dalian Commodity Exchange's main iron ore contract fell nearly 5%, breaking below 700 yuan/ton, currently reported at 697 yuan/ton, marking a potential fourth consecutive day of decline [2] - Steel and iron ore port inventories increased last week, indicating weak steel demand, while Vale's largest iron ore mine resumed production, leading to seasonal increases in shipments from Australia and Brazil, easing supply constraints [4] Group 2 - The Platts iron ore index recently dropped to $108.45, reaching a one-and-a-half-month low, reflecting significant pressure on high-grade iron ore premiums [4] - Global macroeconomic sentiment has weakened, exerting considerable pressure on iron ore demand [5]

Group 1 - The A-share market saw significant gains with Linggang Co., Ltd. rising by 6.52% and Jinling Mining increasing by 5.62% [1] Group 2 - Dalian Commodity Exchange's iron ore futures for the near-month contract broke the historical threshold of 1000 yuan/ton, reaching a peak of 1000.5 yuan/ton [2] - The exchange implemented measures to cool down the iron ore futures market, limiting non-futures company members or clients to a maximum daily opening position of 5000 lots for the I2105 contract starting December 14 [2] - This marks the fourth intervention by the exchange in the past seven days, reflecting the regulatory body's commitment to the stable development of the commodity [2] - According to Yong'an Futures' research report, the recent alleviation of supply pressures and stable demand, coupled with steel mills' need to replenish stocks at year-end, have contributed to the upward price movement of iron ore [2]