U.S. stock market midday update: Silicon Motion Tech rises 10.01%, driven by AI infrastructure demand and Micron's new products

U.S. Stock Market Midday Update

Silicon Motion Tech rose 10.01%. Based on recent key news:

1. On July 20, Silicon Motion Tech's stock price increased due to rising demand for AI infrastructure. The demand for AI servers and enterprise-level SSDs has driven growth in the semiconductor industry, significantly benefiting Silicon Motion Tech as a related concept stock, with its stock price rising 10.01%;

2. On July 20, Micron Technology launched new products with a transmission rate increased to 10.7Gbps, driving related semiconductor stocks up. Micron's innovative products enhanced market confidence in AI and edge computing, indirectly pushing Silicon Motion Tech's stock price higher;

3. Recently, increased investment in AI data centers and edge computing has driven related stocks up. As an important supplier of AI infrastructure, Silicon Motion Tech has benefited from industry trends, with its stock price significantly rising. The demand for AI infrastructure has increased, benefiting the industry.

Stocks with High Trading Volume in the Industry

Micron Technology rose 12.33%. Based on recent key news:

1. On July 21, SK Group Chairman Chey Tae-won stated that memory chip prices are too high, which the market interpreted as a warning of short-term overheating risks, boosting sentiment in the semiconductor sector and leading to a rebound in Micron's stock price. Source: Zhitong Finance

2. On July 21, Morgan Stanley analysts pointed out that demand from data centers has triggered a memory shortage, predicting a 25% price surge in the third quarter, driving Micron's stock price up. Source: MarketWatch

3. On July 21, Bank of America included Micron in its preferred list for U.S. stocks, leading to a 10% increase in its stock price. Source: Investing.com The semiconductor sector has shown significant volatility recently and requires attention.

NVIDIA rose 1.92%. Based on recent key news:

1. On July 21, NVIDIA disclosed that it holds a 9.3% stake in Dutch cloud service provider Nebius, driving Nebius's stock price up 6.5% in pre-market trading. This move strengthened market confidence in the AI infrastructure sector, which also boosted NVIDIA's stock price. Source: Zhitong Finance

2. On July 21, NVIDIA announced the launch of its next-generation AI accelerator cabinet NVL72, with performance improved by 10 times. This technological advancement raised market expectations for NVIDIA's products, driving its stock price up. Source: Zhitong Finance

3. On July 20, Oppenheimer listed NVIDIA as a top pick in its momentum stock recommendations, believing its dominance in the AI chip sector is solid, maintaining an "outperform" rating. This analyst report enhanced investor confidence, pushing the stock price up. Source: Oppenheimer report The competition in the AI industry is intensifying, and capital flows are diversifying.

AMD rose 8.05%, with increased trading volume. Based on recent key news:

1. On July 20, AMD deepened its strategic cooperation with Microsoft, with Azure set to deploy AMD's Helios rack-level AI system, driving the stock price up. This collaboration marks a significant advancement for AMD in the AI infrastructure sector, with shipments expected to begin in the second half of 2026 Source: Investing.com

2. On July 20, Ark Invest reduced its holdings in AMD stock, valued at approximately $11.7 million, reflecting a significant shift in its portfolio strategy, which led to short-term pressure on the stock price. Source: Guangjiao Observation

3. On July 21, analysts generally have a positive outlook on AMD's market prospects, giving it a "Buy" rating and raising the target price to $541.31, supporting the stock price increase. Source: Benzinga ProAI Demand growth drives industry development.

Stocks ranked among the top in industry market capitalization

TSMC rose 5.60%. Based on recent key news:

1. On July 21, the Taiwan stock market rebounded strongly, with TSMC as a major driving force, leading the market upward. TSMC's stock price rose over 3%, becoming a leader among electronic weighted stocks, significantly boosting the market index. Source: Zhitong Finance

2. On July 20, TSMC announced an additional investment of $10 billion in Arizona, USA, to meet strong customer demand. This move further solidifies TSMC's leadership position in the global chip manufacturing market. Source: Bloomberg

3. On July 20, TSMC's CFO stated that in response to the continued growth in AI chip demand, the company will accelerate the construction pace of its U.S. factories to meet market demand. This move enhances market confidence in TSMC's future growth. Source: CaiLianShe The semiconductor industry shows strong demand, with significant capital inflows