[Selected Night News on November 4th] 1. The central bank announced that in order to maintain sufficient liquidity in the banking system, it will launch a 300 billion yuan buyout reverse repurchase operation on November 5. 2. The average global DRAM contract price in October once again hit a record high, while the average NAND flash memory price continued to reach the highest level last month. Agency: Price increases continued in the fourth quarter. 3. China Telecommunications Research Institute and others jointly completed the world's first 1,000-kilometer hollow-core optical fiber two-way real-time transmission verification; China's key optical communications technology made important breakthroughs. 4. Today, the repurchase team of A-share listed companies continues to expand. Nearly 20 companies, including Tri-Huan Group, Aalaiying, Haiguang Information, and Xingsen Technology, disclosed their repurchase plans, with a maximum planned repurchase of 1 billion yuan. 5. Many public equity institutions pointed out that behind today's rebound in market conditions is that the stock market has made sufficient early adjustments; the main line of the AI ​​industry will continue to evolve in the future, and long-term investment opportunities in the growth track will still be abundant. 6. Company news: ① Sanhuan Group: plans to repurchase the company's shares for 500 million to 1 billion yuan. ② Kailaiying: It plans to repurchase the company's shares for 500 million to 700 million yuan. ③Demingli: Plans to distribute cash of 6 yuan for every 10 shares, totaling 191 million yuan. The controlling shareholder promises to extend its holdings for one year and not reduce its holdings of the company's shares. ④Hengtong Optoelectronics: The controlling shareholder plans to increase its shareholding by 400 million to 600 million yuan. ⑤Jiangsu Leili: Su Da, the actual controller, was put on file by the China Securities Regulatory Commission for suspected violations of information disclosure and shareholding reduction.