US Stock Premarket Key Updates: U.S. Treasury Expands Long-Term Treasury Buyback Scale, Cerebras Launches Rack-Mounted AI System CS-4

Odaily News: Key market updates investors need to watch before the U.S. stock market opens are as follows:

1. The U.S. Treasury announced an expansion of its long-term nominal Treasury buyback program, which drove yields on 10-year and 30-year U.S. Treasuries significantly lower.

2. Futures on the three major U.S. stock indices ticked higher in premarket trading. Dow Jones futures rose 0.52%, S&P 500 futures gained 0.41%, and Nasdaq 100 futures advanced 0.38%.

3. International oil prices dipped sharply. WTI crude futures fell 0.05% to $84.017 per barrel, while Brent crude futures dropped 0.04% to $90.982 per barrel.

4. International spot gold and silver prices surged. Spot gold rose 1.94% to $4,418.46 per ounce, while spot silver gained 2.65% to $64.98 per ounce.

5. Europe's three major stock indices moved broadly higher. The UK's FTSE 100 rose 0.18%, France's CAC 40 gained 0.29%, and Germany's DAX 30 advanced 0.16%.

6. Marvell Technology reached a collaboration agreement with Google covering AI, storage, and networking chips. The company also issued Google warrants to purchase up to 59 million shares, with an exercise price set at $206.58 per share.

7. SK Hynix plans to buy back and cancel 40 trillion Korean won (approximately $28.6 billion) worth of treasury shares, with the buyback program set to begin on August 20 and last approximately three months. S&P upgraded its rating to "A-" with a "positive" outlook.

8. Biotechnology company Moderna surged 100% in premarket trading, while Merck rose 7%. On the news front, the melanoma skin cancer vaccine being co-developed by the two companies met its primary goals in a large-scale trial.

9. AI chip company Cerebras unveiled its new rack-mounted AI system, the CS-4. The company claims that in single-user scenarios, the system can generate tokens per second at up to 30 times the rate of traditional GPU servers.

10. AI compute rental provider Nebius plans to issue $4.5 billion in convertible senior notes, with proceeds earmarked for building data centers and developing AI cloud services. Nebius fell nearly 6% in premarket trading.

11. Morgan Stanley's latest forecast indicates that prices for mature DRAM products such as DDR4 will rise by 50% in Q3 2026, followed by an additional 10% increase in Q4.

12. Goldman Sachs projects that the space economy will reach $1.8 trillion by 2035, with private capital set to replace government funding as the industry's biggest growth engine by then.