Group 1 - Major US stock indices opened significantly lower, with the Dow Jones down 1.28%, S&P 500 down 1.33%, and Nasdaq down 1.59% [1] - Notable declines were observed in companies such as Nvidia, Google, Amazon, and Broadcom, each dropping over 2% [1] - United Microelectronics Corporation (UMC) surged over 14%, marking an 18% increase year-to-date, following the official launch of its fourth-generation SuperFlash technology [1] - 3M Company’s stock fell by 4.9% after announcing annual profit expectations below market estimates [1] Group 2 - Quantum computing company Quantinuum, backed by Honeywell, is reportedly advancing towards an IPO, collaborating with Morgan Stanley and JPMorgan, aiming for a valuation of $15 billion to $20 billion and seeking to raise $1.5 billion [2] Group 3 - AI application stock Applovin experienced a pre-market drop of over 7% following a short-seller report from Capitalwatch, which accused the company of systemic compliance risks and significant financial crimes [3] Group 4 - The German government announced on January 19 that it will provide subsidies of up to €6,000 for families purchasing new electric vehicles, aiming to boost the domestic electric vehicle industry after ending previous subsidies in late 2023 [4] Group 5 - Sony announced a memorandum of understanding with TCL to establish a joint venture that will take over Sony's home entertainment business, including televisions and audio products, with TCL holding 51% and Sony holding 49% [5]

1月20日消息，美股三大指数大幅低开，道琼斯指数跌1.28%，标普500指数跌1.33%，纳斯达克综合指 数跌1.59%。英伟达、谷歌、亚马逊、博通均跌超2%。联电大涨超14%，今年以来已累涨18%， SuperFlash第四代技术正式投产。 ...

智通财经APP获悉，周二，联电(UMC.US)盘前大涨超14%，今年以来已累涨18%，现报10.66美元。消 息面上，微芯科技旗下子公司冠捷半导体(SST)与联电共同宣布，双方已完成SST嵌入式SuperFlash第四 代(ESF4)技术在UMC 28HPC+工艺平台的车规1级(AG1)全面认证并正式投产。相比其他代工厂的28纳 米高K金属栅(HKMG)嵌入式闪存方案，ESF4在工艺复杂度与成本控制方面具备显著优势，为客户带来 更高的制造效率与经济效益。 ...