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Op Optronics: The subsidiary Changguang Aerospace products can be widely used in the aerospace field. Op Optronics (002338) said in response to investors' questions on the interactive platform on December 10 that the company's subsidiary Changguang Aerospace products can be widely used in the aerospace field and can provide customized services according to customers' needs.Sainz's newly established subsidiary includes the business of special equipment for environmental protection. According to the enterprise investigation APP, Huayuan Xingen Environmental Protection Co., Ltd. was recently established, with Chai Pingyuan as the legal representative and a registered capital of 1 million yuan. Its business scope includes: water pollution control; Water pollution prevention and control services; Sewage treatment and its recycling; Sales of special equipment for environmental protection. Enterprise equity penetration shows that the company is wholly owned by sainz.The main contract of the container transport index (European line) fell more than 3%.

Ultra-long-term Treasury ETF rose sharply at the opening, with "Boshi SSE 30-year Treasury ETF" rising by 0.65% and "Pengyang China Bond -30-year Treasury ETF" rising by 0.65%.In the first 10 minutes, the turnover of Shanghai and Shenzhen stock markets exceeded 500 billion, exceeding 200 billion compared with yesterday.The computer equipment sector rose short-term, Shensi Electronics rose daily, and Zhiwei Intelligent, Tonghui Information, Dahua Intelligent, Rotating Pole Information and Zhaori Technology followed suit.

The main contract of the container transport index (European line) fell more than 3%.The commander of the intelligence command of the South Korean Ministry of Defense was suspended. On December 10, local time, the South Korean Ministry of National Defense announced that it would take suspension measures against Wen Xianghu, commander of the intelligence command of the Ministry of National Defense. (CCTV News)The 30-year Treasury ETF hit a record high, with "Bosera SSE 30-year Treasury ETF" rising 0.89% to 108.561 yuan and "Pengyang China Bond -30-year Treasury ETF" rising 1.02% to 119.858 yuan.