Market Overview - US stock indices closed higher with the Dow Jones up 0.32%, Nasdaq up 0.02%, and S&P 500 up 0.09% [1] - The VIX index increased by 5.22% to 18.14, indicating rising market volatility [1] - The US dollar index fell by 0.6% to 100.37, while the yield on the 10-year Treasury rose by 0.18% to 4.451% [1] - Spot gold increased by 0.91% to $3230.07 per ounce, and Brent crude oil rose by 0.21% to $65.53 [1] Industry & Stocks - Most sectors in the S&P 500 saw gains, with healthcare up 0.96%, utilities up 0.43%, and industrials up 0.34%, while energy, semiconductors, and technology sectors declined by 1.3%, 0.6%, and 0.14% respectively [2] - Chinese concept stocks mostly fell, with Alibaba down 0.4% and Pinduoduo up 0.71% [2] - Major tech stocks had mixed results, with Microsoft up 1.01% and Apple down 1.17% [2] - NVAX surged 15.01% after FDA approval for its COVID-19 vaccine for older adults and those over 12 [2] Daily Focus - Putin expressed readiness to cooperate with Ukraine on peace negotiations, indicating potential for a ceasefire [3] - Trump's tax reform bill advanced in the House, facing opposition from conservative Republicans [4] - Nvidia's CEO announced the company will not release further Hopper series chips for the Chinese market due to US government restrictions [5] - Nvidia introduced the "Grace Blackwell" system aimed at enhancing AI capabilities, with significant performance improvements [6] - Apple reportedly earns $20 billion annually from the App Store, with developers facing a 15% to 30% commission [7] - Apple plans to allow EU users to set default voice assistants other than Siri, adapting to new regulations [8] - The valuation of the "Tech Seven" has dropped to a seven-year low, with a forward P/E ratio of 28 times [9] - Microsoft is integrating Elon Musk's xAI models into its cloud services, expanding its AI offerings [9] - TSMC plans to raise prices for advanced manufacturing nodes, with a 10% increase for 2nm wafers [9] - The US government is reviewing Apple's AI collaboration with Alibaba due to concerns over data sharing and regulatory risks [10][11]

Key Points - 30-year US Treasury yield surpasses 5%, leading to a decline in the US dollar [2] - Atlanta Federal Reserve President warns of inflation risks, indicating a preference for one rate cut this year [2] Company News - TXNM Energy announces that Blackstone Group's infrastructure fund has agreed to acquire the utility company for $61.25 per share, with a total enterprise value of $11.5 billion including net debt [2] - Nvidia is reportedly in deep negotiations to invest in quantum computing startup PsiQuantum [2] - TSMC plans to increase prices for advanced processes, with a 10% price hike for 2nm wafers [2] - Qualcomm announces plans to develop custom data center CPUs designed to connect with Nvidia's AI chips, marking its re-entry into the server processor market [2] - FDA approves Novavax's COVID-19 vaccine for older adults and individuals aged 12 and above [2] - Sohu reports Q1 total revenue of $136 million, with net loss narrowing by over 20% year-on-year, exceeding previous best expectations for marketing services revenue and group net loss, while online gaming revenue also surpassed expectations [2] - Niu Technologies reports Q1 revenue of 682 million RMB, a year-on-year increase of 35.1%, with a net loss of 38.8 million RMB and a 57.4% increase in electric scooter sales [2]

据华尔街日报：美国食品药品监督管理局（FDA）要求疫苗生产商诺瓦瓦克完成新一轮临床试验，以推 进延迟推出的新冠病毒疫苗。 ...