U.S. stock night trading fluctuations: United Microelectronics rose 8.18% in night trading, with local funds increasing their positions and AI demand boosting a strong rebound in semiconductors

U.S. Stock Night Market Movements United Microelectronics Corporation (UMC) rose 8.18% in the night market. Based on recent news, On May 18, the Taiwan stock market faced correction pressure, with foreign capital continuing to sell off, but local funds showed increased confidence, supported by corporate digital transformation and AI demand driving industry growth. Foreign capital sold off NT$ 90.8 billion, but local funds' increased investment in UMC and TSMC indicated enhanced market confidence, pushing UMC's stock price up. On May 17, TSMC emphasized at a technology forum that the development of artificial intelligence is gradually extending to physical and edge devices, particularly smart glasses, which are seen as one of the key applications for the future. TSMC's proactive layout and the market's high attention to AI technology have raised market expectations for related tech stocks, benefiting UMC. On May 18, semiconductor pollution control equipment manufacturer ShengHuang received strong orders, with new orders reaching NT$ 500 million this year, expecting revenue growth of 20% to 30% this year. ShengHuang's clients include UMC, indicating strong demand in the semiconductor industry, further pushing UMC's stock price up. Market risk aversion is rising, but confidence in tech stocks remains strong. Stocks with High Trading Volume in the Industry Micron Technology rose 0.18% in the night market. Based on recent key news: On May 17, Micron Technology announced it would invest $15 billion to expand production facilities to meet the surge in AI demand. This move drove the stock price up, as the market expects significant future profitability. Source: The Wall Street Journal On May 18, analysts upgraded Micron Technology's rating to "Buy," believing that demand for AI infrastructure will drive long-term growth. This rating upgrade boosted investor confidence, leading to a rise in stock price. Source: Seeking Alpha On May 16, Samsung Electronics faced a strike threat, which could impact the global memory chip supply chain. As one of the major suppliers, Micron Technology faced market concerns regarding its supply chain stability, leading to stock price fluctuations. Source: Hong Kong Economic Journal Strong Demand in the Semiconductor Industry, AI Drives Growth NVIDIA fell 0.26% in the night market. Based on recent key news: On May 18, Morgan Stanley raised NVIDIA's target price to $285, reflecting the market's optimistic expectations for AI demand. Morgan Stanley expects NVIDIA to experience a quarter of exceeding expectations and raised guidance, with revenue expected to be about $3 billion higher than anticipated and performance guidance raised by $4 billion. Source: Morgan Stanley On May 18, the U.S. approved NVIDIA's H200 chip exports to China, raising market concerns that geopolitical risks could affect its valuation. Members of the U.S. think tank Council on Foreign Relations pointed out that this could narrow the gap between the U.S. and China in the AI field. Source: Zhitong Finance On May 18, NVIDIA plans to lead an investment in the generative AI startup Simplismart, demonstrating its continued investment in the AI field. This move may further consolidate its leadership position in the AI infrastructure market. Source: Zhitong Finance AI demand is strong, with valuation and risk coexisting Intel's after-hours trading fell by 0.18%. Based on recent key news: On May 16, the US-China talks drew market attention, as the global economy faces uncertain challenges, leading to profit-taking in tech stocks and a decline in US stocks. Intel's stock price fluctuated as a result. On May 18, US President Trump stated that the government should demand more Intel shares and revealed that the government holds Intel shares worth over $50 billion. This statement sparked market interest in Intel's future development. On May 18, Citigroup raised Intel's target stock price to $130, reflecting the market's optimistic expectations for Intel's data center business and ASIC business. Profit-taking in tech stocks has led to cautious market sentiment