US stock pre-market roundup: Optical communication and storage sectors surge pre-market; world's smallest GPU chip passes real-world testing

2026-08-04 12:38

Odaily News - Pre-market summary of key market and financial news investors should watch:

1. All three major U.S. stock index futures are moving higher. Dow Jones futures are up 1.25%, S&P 500 futures are up 0.35%, and Nasdaq 100 futures are up 1.11%.

2. International oil prices are falling across the board. WTI crude futures are down 3.33% at $77.663 per barrel; Brent crude futures are down 2.57% at $81.621 per barrel. On the news front, U.S. Treasury Secretary Bessent said the U.S. could reach a deal with Iran as soon as tomorrow to reopen the Strait of Hormuz.

3. International spot gold and silver prices are both rising. Spot gold is up 0.43% at $4,072.67 per ounce; spot silver is up 2.72% at $59.74 per ounce.

4. Europe's three major stock indices are all climbing. The UK FTSE 100 is up 0.34%, France's CAC 40 is up 0.32%, and Germany's DAX 30 is up 0.82%.

5. U.S. optical communications stocks are surging pre-market, with Coherent up over 13%, Lumentum up over 12%, and Corning and Marvell Technology both up nearly 8%. Storage stocks are broadly higher, with SanDisk up over 5%, and Micron Technology and SK Hynix both up over 4%.

6. AI application stock Palantir is soaring 15% pre-market. The company reported Q2 revenue of $1.94 billion, beating market expectations, and raised its full-year revenue guidance to $8.15-8.16 billion.

7. TinyGPU v2.0, the world's smallest GPU chip, has reportedly passed real-machine testing. The chip contains approximately 240,000 transistors and features 4-bit double buffering, along with an 8-bit depth buffer stored in QSPI RAM.

8. SpaceX is redesigning its satellite system to accommodate the explosive growth in data demand driven by artificial intelligence, machine learning, and edge computing, with the goal of deploying a system of up to one million satellites. Meanwhile, SpaceX will release its first earnings report as a public company after the U.S. market closes tonight.

9. TrendForce states that the DRAM supply shortage will persist through 2027, and Nvidia is evaluating a reduction in HBM configuration for the Rubin Ultra platform. Some cloud service providers are also considering lowering the HBM capacity design of their next-generation custom ASICs.

10. Elon Musk's net worth shrank by $363 billion in July alone, a decline greater than the entire net worth of any of the world's 2nd to 10th richest individuals.