U.S. stock market midday update: Navitas Semiconductor up 13.93%, analyst optimistic ratings and new product expansion boost stock price surge

U.S. Stock Market Midday Update Navitas Semiconductor rose 13.93%. Based on recent key news: On January 22, analysts expressed an optimistic outlook for Navitas Semiconductor's future development, giving it a strong buy rating. Analysts believe the company's unique positioning in AI infrastructure and green energy will drive revenue growth, enhance market confidence, and lead to a rise in stock prices. On January 20, Magnachip Semiconductor appointed Cristiano Amoruso as an independent director, who also serves on the board of Navitas Semiconductor. This move is seen as a positive impact on the company's governance structure, boosting investor confidence and driving up stock prices. On January 22, the company increased its wafer foundry products for AI applications, further expanding its product line. This strategic move is viewed by the market as a key factor in enhancing competitiveness, contributing to the rise in stock prices. The semiconductor industry has recently performed strongly, with significant capital inflows. Top Stocks by Industry Trading Volume NVIDIA rose 0.67%, with increased trading volume. Based on recent key news: On January 22, NVIDIA CEO Jensen Huang confirmed in a podcast that NVIDIA has become TSMC's largest customer, contributing 13% of revenue. This news boosted market confidence in NVIDIA's position in the AI sector, driving up stock prices. Source: Jin10 Data On January 21, NVIDIA invested $150 million in AI startup Baseten, demonstrating its strategic expansion in AI inference, which enhanced market expectations for its future growth. Source: The Wall Street Journal On January 21, Moody's upgraded NVIDIA's bond rating to AA1 with a positive outlook, further boosting investor confidence. Source: Zhitong Finance. The demand for AI chips is strong, and the market outlook is optimistic. Micron Technology rose 1.26%. Based on recent key news: On January 22, Micron Technology's pre-market stock price rose 2.5% after William Blair initiated coverage with an "outperform" rating. Analysts believe the surge in demand for memory chips for AI processors is driving up Micron's stock price. On January 21, Micron Technology announced the acquisition of Taiwan's Nanya Technology's chip manufacturing plant for $1.8 billion, which will significantly enhance DRAM capacity, leading to a 2% increase in stock price after the announcement. On January 20, JP Morgan raised the target price for SK Hynix, reflecting confidence in the AI memory business and fueling enthusiasm for tech stock investments. Tech stocks are driven by the AI boom, presenting both risks and potential. AMD rose 1.31%, with increased trading volume. Based on recent key news: On January 21, Bernstein raised AMD's target price from $200 to $225, reflecting market optimism regarding its AI business Analysts pointed out that AMD's AI efforts have made significant progress. Although OpenAI is its only major customer, this news has driven the stock price up. On January 22, AMD's stock price rose by 8.7% to $252, marking an eight-day consecutive increase. Analysts believe that AMD's collaboration with OpenAI and TCS has driven the adoption of enterprise AI, enhancing market confidence in its high-performance chips. On January 22, KeyBanc analysts predicted that AMD's upcoming financial report would be a key factor in driving the stock price up. Analysts expect AMD's fourth-quarter earnings per share to grow by 55% year-on-year and to provide strong guidance for the first quarter. Demand for AI chips is strong, and the market is optimistic. Stocks Ranked Among the Top by Market Capitalization in the Industry Taiwan Semiconductor Manufacturing Company (TSMC) rose by 1.39%. Based on recent key news: On January 20, TSMC's stock price rose for three consecutive days after its earnings call, reaching an all-time high. The earnings call revealed that revenue and net profit for the fourth quarter of 2025 both reached historical highs, driving the stock price up. Source: Zhitong Finance On January 20, Deutsche Bank raised TSMC's target price to NT$2,200 due to a surge in AI demand, reflecting market confidence in its future growth potential. Source: Wall Street Insight On January 22, Taiwan stocks rebounded strongly along with U.S. stocks, with core weighted stocks like TSMC performing well, driving the market to create a historical high. Source: Eastmoney AI demand drives growth in the semiconductor industry