Pre-market US stock news highlights: Short bets against SpaceX continue to increase; Nvidia developing its own 800V HVDC racks

Key US stock market financial news items investors need to focus on today:

1. The three major US stock index futures are collectively rising. Dow Jones futures are up 0.32%, S&P 500 futures are up 0.85%, and Nasdaq 100 futures are up 2.40%.

2. International oil prices are fluctuating downwards in intraday trading. WTI crude oil futures are down 1.21% to $69.489/barrel; Brent crude oil futures are down 0.80% to $73.279/barrel.

3. International spot gold and silver prices are seeing a short-term surge. Spot gold is up 0.33% to $4012.04/oz; Spot silver is up 1.38% to $58.20/oz.

4. IBM has launched the world's first sub-1nm chip technology, integrating nearly 100 billion transistors on a fingernail-sized chip through a "nanostack" 3D transistor architecture, with the new chip design offering performance improvements of up to 50%.

5. Nvidia is reportedly actively developing its own 800V HVDC Power Rack solution, targeting stock preparation completion by the third quarter of 2026, with actual large-scale adoption currently estimated to occur in 2028.

6. Qualcomm officially launched a high-bandwidth computing architecture (HBC) targeting the AI data center market. The first-generation HBC is expected to start commercial testing in mid-2027, with the second-generation HBC potentially launching in 2028. Qualcomm's pre-market stock price surged over 10%.

7. Short bets against SpaceX are continuing to increase.

8. Apple has significantly raised prices due to memory shortages, with price adjustments of up to 20% on multiple Mac and iPad products.

9. The US core PCE index for May grew 3.4% year-over-year and 0.3% month-over-month, in line with market expectations. Traders are reducing their bets on a Fed rate hike.