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The Nikkei 225 index closed up 1.21% at 39,849.14.The turnover of Shanghai, Shenzhen and Beijing exceeded 1.5 trillion yuan, 52.2 billion yuan more than the previous day. Up to now, the turnover of Shanghai, Shenzhen and Beijing exceeded 1.5 trillion yuan, 52.2 billion yuan more than the previous day. Among them, the turnover of Shanghai Stock Exchange was 584.4 billion yuan, that of Shenzhen Stock Exchange was 899.8 billion yuan, and that of Beizheng 50 was 15.8 billion yuan.Double 12 is in full swing, Pinduoduo's 10 billion subsidy is overweight "super double supplement", and Pinduoduo's 10 billion subsidy "super double supplement" is in full swing. Active goods are superimposed with double discounts on the daily price of 10 billion subsidies, and the highest discount can be further reduced by 50%. The price of Dyson hair dryer is only 1999 yuan; The price of Cobos T50 PRO sweeping robot is only 2599 yuan; The price of Li Ning Red Rabbit 7 running shoes is only 129 yuan, and the price has dropped by nearly 70%. In the last round of double replenishment activities, brands such as Li Ning, Lego, Fila and Fuji Camera all achieved excessive growth, and the average daily sales of Yili dairy products increased by 54 times from the previous month. "Super Double Supplement" is becoming a new engine for the growth of brands in the promotion of e-commerce.

After the European Central Bank decided not to interest rates, the yield of euro zone government bonds changed little; The yield of German 10-year government bonds rose by 1 basis point to 2.14%.ByteDance and Peking University set up the Joint Lab of Bean Bag Large Model System Software. On the evening of December 12th, the signing ceremony of Peking University-ByteDance Joint Lab of Bean Bag Large Model System Software and the academic seminar of "Intelligent Software Technology and Ecology for Large Model" were held in Yingjie Exchange Center, Peking University. Experts attending the meeting agreed that it is of great significance to promote the deep integration of Industry-University-Research to promote the breakthrough of core technologies of artificial intelligence. The establishment of this joint laboratory is an important milestone in collaborative innovation between schools and enterprises, and will jointly promote the technological innovation and application development of large-scale model system software based on the advantages of both parties. (Sina Technology)Zhongzhiwei Technology completed tens of millions of yuan financing. On December 12th, Nanjing Zhongzhiwei Information Technology Co., Ltd. (Zhongzhiwei Technology) completed tens of millions of yuan B1 financing, which was jointly invested by Guangzhou Baiyun Financial Holding Group Co., Ltd. and Beijing Hongfeng Private Equity Fund Management Co., Ltd. This round of financing funds will be used for iterative application of AI+ network security products, breakthrough in key industry landing scenarios and market channel construction. Zhongzhiwei Technology is a solution provider of "city-level data+digital security operation", and has launched a series of new platform-based network security products around AISecOps (artificial intelligence security operation).

Russia's central bank's gold and foreign exchange reserves reached US$ 614.4 billion in the week of December 6, with the previous value of US$ 614.1 billion.South Korea's National Election Commission: Security vulnerabilities were discovered before, but most of them were fixed before the election. There is no evidence that North Korea hacked.Indian government sources: negotiations on a free trade agreement between India and Britain will begin at the end of January next year.