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It is reported that Samsung's electronic chip foundry division has increased the 4nm yield to nearly 70%, and Han Zhenwan, head of the chip foundry business, said that it will greatly improve the 2nm process yield. (Digtimes)Southbound funds sold a net of HK$ 10.324 billion today. Alibaba bought a net of HK$ 539 million against the market. Southbound funds sold a net of HK$ 10.324 billion today. TraHK, Hang Seng China Enterprise and Meituan -W were sold a net of HK$ 6.988 billion, HK$ 811 million and HK$ 552 million respectively. Alibaba -W gained a net purchase of HK$ 539 million against the market.UN Special Envoy for Syria Calls for Repatriation of Refugees: The situation in Syria remains unstable.

Longji Green Energy: It is estimated that the total amount of guarantees between the company and its wholly-owned subsidiaries will not exceed 50 billion yuan in 2025. Longji Green Energy announced that according to the business development needs of the company and its wholly-owned subsidiaries, it is estimated that the total amount of new guarantees provided by the company for wholly-owned subsidiaries, mutual guarantees between wholly-owned subsidiaries and guarantees provided by wholly-owned companies will not exceed 50 billion yuan in 2025. Among them, the new amount of guarantee provided to the guarantee object with asset-liability ratio of 70% or above does not exceed 40 billion yuan, and the new amount of guarantee provided to the guarantee object with asset-liability ratio below 70% does not exceed 10 billion yuan.7 days and 5 boards Fenda Technology: Recently, the company's production and operation are normal, and the internal and external business environment has not changed significantly. The closing price of the company's stock trading price has deviated from the value by more than 20% in two consecutive trading days on December 9 and December 10, 2024, which is an abnormal fluctuation of stock trading. Recently, the company's production and operation are normal, and the internal and external business environment has not changed significantly. After self-examination, the company did not violate the fair disclosure of information.FTSE China A50 index futures fell to 3.5%.

Huatai Securities: The target price of Yum! China was raised to HK$ 472.48, and the "Buy" rating was maintained.CSI Index Company: On December 11th, it will officially release two indexes, including CSI Free Cash Flow Index. CSI Index Company announced that CSI Index Co., Ltd. will officially release CSI Free Cash Flow Index and CSI 800 Free Cash Flow Index on December 11th, 2024 to provide more investment targets for the market. The two free cash flow indices released this time select listed company securities with high free cash flow rate from the sample space of CSI Full Index and CSI 800 Index respectively as index samples, reflecting the overall performance of listed company securities with strong cash flow creation ability in the corresponding space. Among them, the sample number of CSI Free Cash Flow Index is 100, and the sample number of CSI 800 Free Cash Flow Index is 50. (Website of CSI Index Co., Ltd.)Optoelectronic Co., Ltd.: The core material GP of optical communication of Xinhuaguang Company has made a breakthrough. According to the news of Optoelectronic Co., Ltd., recently, the core material GP of optical communication independently developed by Xinhuaguang Company of Optoelectronic Co., Ltd. has broken through the mass production process, and has been sent to many enterprises in the optical communication field for testing and use, and its performance meets the requirements of customers. The product has special function effect, which can realize unidirectional conduction of light, improve the efficiency and reliability of signal transmission, and plays a very important role in the field of optical communication. With the rapid development of artificial intelligence, products will also help improve the computing power of artificial intelligence.