美股盘前要闻一览：存储股延续跌势SK海力士跌超7%，国际金银现货集体下跌

Odaily Planet Daily News Pre-market overview of key market news investors need to watch:

1. Major U.S. stock index futures are mixed. Dow Jones futures are up 0.06%, S&P 500 futures are down 0.37%, and Nasdaq 100 futures are down 0.99%.

2. International oil prices have spiked. WTI crude oil futures are up 1.14% to $80.019/barrel; Brent crude oil futures are up 1.10% to $85.884/barrel. On the news front, Iran has told Yemen's Houthi group to close the Bab el-Mandeb strait if the U.S. attacks its power grid.

3. International spot gold and silver prices are both falling. Spot gold is down 1.08% to $4,016.39/oz; spot silver is down 2.49% to $56.30/oz.

4. Major European stock indices are all declining. The UK's FTSE 100 is down 0.44%, France's CAC 40 is down 1.00%, and Germany's DAX 30 is down 1.10%.

5. Memory chip stocks are extending their pre-market losses, with SK Hynix and SanDisk falling over 7%, Western Digital dropping nearly 8%, and Micron Technology falling nearly 5%.

6. Nvidia has announced a partnership with Japan's Noetra to launch an AI factory equipped with 13,750 Vera CPUs and 27,500 Rubin GPUs, providing 140 megawatts of computing power capacity for the country's physical AI development.

7. TSMC has raised its full-year 2026 capital expenditure guidance to $60-64 billion, up from the previous $52-56 billion, and expects its A14 process chips to begin mass production in 2028.

8. Underwriters for Anthropic have begun arranging meetings between the company's management and institutional investors in the coming weeks to prepare for its IPO roadshow. If plans proceed, Anthropic could be listed as early as October this year.

9. In an exclusive interview, Warren Buffett stated that he personally led Berkshire Hathaway's investment in Google parent company Alphabet and said Apple remains one of his favorite stocks.

10. Citibank has placed optical communications concept stock Lumentum on a 90-day "upside catalyst watch" list.