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Hong Kong Stock Exchange: Before the end of 2025, the system will be technically compatible with the T+1 settlement cycle. The Hong Kong Stock Exchange announced on December 12 that it will launch a plan to improve the post-trading service of the stock spot market. Starting from mid-2025, the Hong Kong Stock Exchange will gradually introduce new post-trading functions on its OCP. The new functions include automatic report downloading and information exchange, real-time transmission and processing of transaction data, related positions and reference data, and real-time delivery instruction pairing. As part of the whole platform upgrade plan, HKEx will ensure that its system is technically compatible with the T+1 settlement cycle by the end of 2025. However, what kind of settlement cycle will be adopted in Hong Kong in the future will be decided after market discussion.The downtime lasted more than 4 hours, and the failure of ChatGPT and Sora services has been fully repaired. On the afternoon of December 12, Beijing time, OpenAI updated the accident report and said that API, ChatGPT and Sora services have now fully resumed operation. Earlier today, OpenAI confirmed that ChatGPT, its chat robot, experienced a worldwide downtime, and Sora and API were also affected. It is understood that the fault lasted about 4 hours and 10 minutes. OpenAI said that it will conduct a comprehensive root cause analysis of this failure.On December 11th, there were 683 sets of online signboards for new houses and 1032 sets of online signboards for second-hand houses in Beijing. According to the data of official website of Beijing Municipal Commission of Housing and Urban-Rural Development, there were 683 sets of online signboards for new houses in Beijing on December 11th, with an area of 38,449.38 square meters, including 167 sets of online signboards for residential houses and an area of 22,638.67 square meters. There are 1032 sets of second-hand housing online signs with an area of 93,714.26 square meters, including 928 sets of residential online signs with an area of 88,314.64 square meters.

US natural gas futures rose 6% in the day, and US natural gas futures rose 6% in the day, and are now reported at $3.353 per million British heat.South Korea's National Election Commission: South Korean President Yin Xiyue's remarks undermined South Korea's electoral system.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.

Treasury futures turned green for 30 years, and treasury futures turned down. The 30-year main contracts turned green and fell by 0.03% to 116.94. The 10-year main contract was reported at 108.17, and the increase narrowed to 0.02%.On the 12th, South Korea's National Assembly voted to pass a special civil strife inspection law to investigate President Yin Xiyue's suspicion of civil strife. (Xinhua News Agency)CEO of Bank of America: The sales and trading business is expected to reach a new high in the fourth quarter, and the investment banking business income will jump. On December 11th, the CEO of Bank of America Brian moynihan said that with the "continuous growth" of transactions, the bank's investment banking business income in the fourth quarter may exceed US$ 1.4 billion, with a year-on-year increase of at least 25%. Moynihan also said that the sales and trading business in the fourth quarter should record a year-on-year growth again, achieving a medium-to-high single-digit growth. The bank also expects that the net interest income will continue to grow, which is expected to achieve the guiding target of $14.3 billion given earlier this year.