整理：每日美股市场要闻速递（5月19日，周一）

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]