On October 1st local time, the three major US stock indices closed slightly higher. The Dow Jones Industrial Average rose 0.09% to 46,441.1 points, the S&P 500 index rose 0.34% to 6,711.2 points, and the Nasdaq index rose 0.42% to 22,755.16 points. Among them, the S&P 500 index reached a new intraday historical high.

Most large-cap tech stocks rose, with Tesla up over 3%, Google up 0.74%, Amazon up 0.48%, and Nvidia up 0.35%.

Banking stocks mostly declined, with Wells Fargo down over 3%, Citigroup down over 2%, and JPMorgan Chase, Goldman Sachs, Morgan Stanley, Bank of America, etc., all down over 1%.

Energy stocks were mixed: Schlumberger rose over 2%, while Occidental Petroleum and ConocoPhillips gained nearly 1%; ExxonMobil fell 0.67%, and Chevron fell 0.46%.

US vaccine concept stocks collectively rose, with AstraZeneca up nearly 10%, Moderna up over 6%, and BioNTech up over 3%.

Airline stocks were mixed: Southwest Airlines rose over 1%, and American Airlines rose 0.27%; United Airlines fell over 3%, Delta Air Lines fell over 1%, and Boeing fell 0.29%.

US Chip Stocks Generally Rise; Micron Technology Continues Significant Gains

US chip stocks generally rose, with the Philadelphia Semiconductor Index up 2.05%, again refreshing its historical high. Intel rose over 7%, while Applied Materials and ARM rose over 6%.

Micron Technology performed strongly, closing up over 8%. Micron Technology has shown strong performance recently, with its stock price rising over 40% in September this year.

According to information on Micron's official website, Micron Technology is a global leader in memory and storage products. Its memory products range from CXL memory to high-speed GDDR7, from DDR5 to MRDIMM, and its storage solutions span from enterprise computing and client computing to edge computing in automotive, industrial, and mobile fields.

Recently, some listed companies in the A-share market have also stated that recent price changes in the storage chip market have a certain positive impact on their company performance, and the stock prices of related companies have frequently surged.

Huaxin Securities' recent research views point out that OpenAI announced plans to build five new AI data centers in the US, with a total investment expected to exceed $400 billion over the next three years, indicating that AI development still requires substantial AI infrastructure. Huaxin Securities' research believes that domestic memory manufacturers will significantly benefit from the new round of price increases in the storage market.