当地时间11月20日，美国国家运输安全委员会（NTSB）表示，10月16日，美国联合航空公司1093航班 在飞行途中疑似遭到一个气象气球撞击，飞行员在紧急降落前被驾驶舱风挡玻璃碎片击中。 这架波音737 MAX客机10月16日从美国丹佛起飞，载着134名乘客和6名机组人员飞往洛杉矶。在约1万 米高度巡航时，飞机风挡玻璃破裂，不过机舱并未失压。最终，飞机在盐湖城紧急降落。 （文章来源：央视新闻客户端） 加利福尼亚州知名气象气球设计与运营企业御风系统公司上个月表示，他们认为其生产的一个气球击中 了美联航1093航班。 美国国家运输安全委员会表示，该气球的雷达轨迹与被击中的联合航空客机吻合，撞击"导致两名飞行 员被玻璃碎片击中，机长右臂有多处表皮擦伤"，副驾驶未受伤。 ...

Group 1 - A United Airlines Boeing 737 MAX experienced a windshield failure during cruise, leading to an emergency landing in Salt Lake City, likely due to a collision with a weather balloon [1][2] - The weather balloon involved was operated by a California-based company, which has launched over 4,000 balloons that comply with FAA regulations [2] - The CEO of the balloon company expressed concern over the incident, noting that the balloon's weight was only about 1 kilogram, and the company is investigating ways to reduce impact force in future incidents [2][3] Group 2 - The balloon company has adjusted its software to minimize the time balloons spend at altitudes between 9,000 and 12,000 meters [3] - The company is also researching different ballast designs to lower the potential damage to aircraft and reduce the risk of injury in case of a collision [3]

Group 1 - A United Airlines Boeing 737 MAX experienced a windshield failure during cruise, likely due to a collision with a weather balloon [1] - The flight, carrying 134 passengers and 6 crew members, was en route from Denver to Los Angeles when the incident occurred at an altitude of approximately 10,000 meters [1] - The aircraft made an emergency landing in Salt Lake City, and initial investigations suggest the balloon was operated by a company named Weather Systems [1] Group 2 - Weather Systems has launched an investigation and found that the flight's position data matched the last known location of their balloon, which stopped transmitting signals around the time of the incident [1][2] - The CEO of Weather Systems expressed concern over the incident, noting that the balloon's launch weight was only about 1 kilogram, which was surprising given the extent of the windshield damage [2] - The company has adjusted its software to reduce the time balloons spend at altitudes between 9,000 and 12,000 meters and is exploring different ballast designs to minimize impact in future collisions [2]

Group 1 - The US announced an increase in steel and aluminum tariffs from 25% to 50%, which the EU expressed regret over and indicated ongoing negotiations to address the situation [2] - The UK plans to invest £15 billion (approximately $20.3 billion) in nuclear deterrence, including the construction of 12 new attack submarines, citing threats from Russia [3] - JD.com announced plans to expand its delivery workforce to 150,000 full-time riders, having already surpassed 100,000, with daily order volumes exceeding 25 million [25] Group 2 - China's logistics sector showed resilience with a total social logistics volume of 115.3 trillion yuan, reflecting a year-on-year growth of 5.6% in the first four months of the year [6] - During the Dragon Boat Festival holiday, Shanghai received 6.48 million visitors, with total tourism revenue reaching 12.48 billion yuan, a year-on-year increase of 3.3% [12] - The domestic refined oil market is expected to see a price increase of 70 yuan per ton, as the new pricing window opens on June 3 [14] Group 3 - The South Korean government held an emergency meeting with steel and aluminum industry representatives to discuss the implications of the US tariff increase [22] - The Chinese government is intensifying efforts to regulate "involution" competition in the automotive industry, with multiple departments supporting initiatives to maintain fair competition [37]

Market Overview - The three major U.S. indices closed higher, with the Dow Jones Industrial Average rising for the third consecutive trading day, closing up 35.41 points or 0.08% at 42,305.48 points [1] - The ISM Manufacturing PMI for May recorded a new low since November 2024 at 48.5%, down 0.2 percentage points from April's 48.7%, remaining in the contraction zone below 50% [1] U.S. Stocks - Notable stock movements included Nvidia (NVDA.US) up 1.6%, Macy's (M.US) down nearly 5%, and AMD (AMD.US) up 3.5% [1] - The Nasdaq China Golden Dragon Index rose by 0.5%, with Alibaba (BABA.US) increasing by 0.8% [1] European Stocks - The German DAX30 index fell by 87.89 points or 0.37% to 23,919.40 points, while the UK FTSE 100 index decreased by 3.89 points or 0.04% to 8,768.49 points [2] - The French CAC40 index dropped by 14.69 points or 0.19% to 7,737.20 points, and the European Stoxx 50 index fell by 13.84 points or 0.26% to 5,352.75 points [2] Asia-Pacific Stocks - The Nikkei 225 index declined by 1.3%, while the KOSPI index in South Korea saw a slight increase [3] Commodities - Spot gold rose by 2.79% to $3,380.84 per ounce, reaching a peak of $3,382.39 [3] - Light crude oil futures for July increased by $1.73 to $62.52 per barrel, a rise of 2.85% [4] Cryptocurrency - Bitcoin decreased by 0.77% to $104,951.5, while Ethereum increased by 0.81% to $2,559.63 [4] Macro News - The Trump administration is appealing a court ruling that deemed its tariff policies illegal, seeking to halt the enforcement of the ruling [5] - The administration has requested countries involved in tariff negotiations to submit their "best offers" by Wednesday, indicating urgency in trade talks [6] Company News - A U.S. federal judge canceled the scheduled trial for Boeing (BA.US) related to the 737 MAX crashes, which resulted in 346 fatalities due to software design flaws [7] - Bank of America Global Research upgraded Boeing's rating from neutral to buy, raising the target price from $185 to $260 [8]

Core Viewpoint - A U.S. federal judge has canceled the trial scheduled for June 23 regarding the Boeing 737 MAX crashes, which resulted in the deaths of 346 people in two separate incidents involving Lion Air and Ethiopian Airlines [1] Summary by Relevant Sections - **Incident Overview** - The crashes occurred in October 2018 and March 2019, involving Lion Air and Ethiopian Airlines respectively [1] - Both incidents were linked to safety design flaws in the new software system of the Boeing 737 MAX [1] - **Regulatory and Compliance Issues** - Boeing allegedly concealed risks associated with the software system during the certification process with the Federal Aviation Administration (FAA) [1] - The company also failed to enhance pilot training related to the software system [1]