US pre-market news highlights: Nvidia says Vera Rubin platform uses full liquid cooling technology; SanDisk discloses new 3D flash memory stacking patent; Intel is optimistic about the potential of diamond as a thermal material in chip packaging.

Mars Finance reports the following key financial news from the US stock market that investors should pay attention to: 1. US stock index futures rose slightly. Dow Jones futures rose 0.19%, S&P 500 futures rose 0.04%, and Nasdaq 100 futures rose 0.33%. 2. International oil prices continued their decline during the day. WTI crude oil futures fell 1.66% to $74.590 per barrel; Brent crude oil futures fell 2.40% to $78.126 per barrel. 3. International spot gold and silver rose during the day. Spot gold rose 1.19% to $4204.89 per ounce; spot silver rose 2.30% to $66.29 per ounce. 4. Major European stock indices showed mixed results. The UK FTSE 100 rose 0.50%, the French CAC 40 fell 0.43%, and the German DAX 30 rose 0.01%. 5. Nvidia published a detailed article introducing its 45°C full liquid cooling technology used in the upcoming mass-produced Vera Rubin platform, stating that it helps AI data centers significantly reduce energy consumption and that Rubin is the world's first AI computing platform to achieve 100% liquid cooling. 6. SanDisk recently disclosed a patent showing it is exploring a new 3D stacking solution to integrate NAND flash memory into the chip, alleviating current HBM supply shortages, capacity limitations, and latency issues. 7. Intel's current CEO, Chen Liwu, stated that Intel has invested in a synthetic diamond wafer company, optimistic about the application potential of diamond as a heat dissipation material in chip packaging. 8. Microsoft signed a 20-year power supply agreement with Chevron to provide natural gas-fired power to its Texas data center. This data center is expected to become one of the largest projects in the United States. 9. According to a previous announcement by S&P Dow Jones Indices, Marvell Technology and Flextronics will be officially included in the S&P 500 index on June 22. 10. The first round of negotiations between Iran and the United States at Bilgen Hill concluded, with both sides establishing a technical negotiation mechanism. Iran released five key points of the agreement reached in the first round of negotiations. 11. British Prime Minister Keir Starmer announced his resignation. The nomination process for the new leader of the ruling Labour Party will begin on July 9, with the new leader expected to take office in September. 12. Japan Sanso announced that it will comprehensively raise the prices of all helium products in the Japanese market starting in July 2026, including helium products used in key areas such as wafer cooling in semiconductor front-end processes and medical-grade MRI equipment, with an average increase of over 30%. (Cailian Press)