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The Shanghai 50 index fell more than 2%, and the Shanghai and Shenzhen 300 index fell 1.8%.Beizheng 50 rose more than 1%, Huayang Racing Car had a daily limit of 30CM, and Ricky Zhizao, Fuheng New Materials and Bai Xinglong rose more than 10%.On the 13th, the 30-year treasury bond futures rose by 0.60%, and the latest main contract positions changed as follows. According to the data of the exchange, as of December 13th, the main contract 30-year treasury bond futures closed at 2503, up or down by +0.60%, with a turnover of 71,900 lots. The position data showed that the top 20 seats were clear, and the difference position was 3,777 lots. The total number of 30-year treasury bond futures contracts was 82,700 lots, an increase of 4,416 lots over the previous day. The first 20 seats in the contract held 78,000 lots, a decrease of 1,313 lots from the previous day. The top 20 seats in the contract held 85,000 short positions, a decrease of 1,049 lots from the previous day. (Sina Futures)

According to the data released by Shanghai Steel Union, the price of battery-grade lithium carbonate (in early trading) dropped by 100 yuan compared with the previous day, with an average price of 76,350 yuan/ton.Contemporary Amperex Technology Co., Limited applied for the trademark of "Chargeo Charging Dog", and the intellectual property information of Tianyancha shows that recently, Contemporary Amperex Technology Co., Limited New Energy Technology Co., Ltd. applied for the registration of three trademarks of "Chargeo Charging Dog", which are internationally classified as transportation, scientific instruments and building repair, and the current trademark status is awaiting substantive examination. According to media reports, "CharGo charging dog" is a storage, charging and inspection integrated robot developed by Contemporary Amperex Technology Co., Limited. The charging dog has three functions in one. It is not only a mobile charging facility, but also a distributed energy storage, and it is also a battery safety guardian of new energy vehicles.The turnover of Shanghai, Shenzhen and Beijing exceeded 1 trillion yuan, 55.6 billion yuan more than the previous day. Up to now, the turnover of Shanghai, Shenzhen and Beijing exceeded 1 trillion yuan, 55.6 billion yuan more than the previous day. Among them, the turnover of Shanghai Stock Exchange was 394.6 billion yuan, that of Shenzhen Stock Exchange was 596.3 billion yuan, and that of Beizheng 50 was 11.1 billion yuan.

Fabian Russell, National Secretary of the French communist party: Call on the new Prime Minister not to use special constitutional power to make new legislation. In this case, we are ready to cooperate with the new Prime Minister Bayrou.ST Mo Long and other materials companies have set up sales business of renewable resources. The enterprise search APP shows that recently, Shandong Cangyuan Materials Co., Ltd. was established, with Liu Shuai as the legal representative and a registered capital of 5 million yuan. Its business scope includes: sales of machinery and equipment; Sales of coal and products; Sales of renewable resources; Import and export agents, etc. Enterprise equity penetration shows that the company is jointly held by ST Mo Long and others.The organization looks forward to the semiconductor industry in 2025: the AI ​ ​ replacement tide leads the growth, and the semiconductor ETF(512480) may usher in new development opportunities. On December 13, the semiconductor ETF(512480) closed down by 1.38%, with a turnover of 1.671 billion yuan. The constituent stocks are mixed, and Zhaoyi Innovation leads the rise. In terms of decline, SMIC led the decline. CICC said that after the boom in 2024, it is expected that the inventory of the semiconductor industry will stabilize and the relationship between supply and demand will be more balanced in 2025. With the gradual landing of AI cloud and end demand, domestic semiconductor elements will usher in new development opportunities. In addition, the AI-changing tide has a pulling effect on the downstream demand of the semiconductor design sector, which is expected to accelerate the growth of the semiconductor design sector in 2025 and inject new vitality into the industry.