BlockBeats published a six-item U.S. premarket news roundup on Aug. 4, covering policy, geopolitics, semiconductor developments, equity strategy, and crypto ETF flows. The report said the Trump administration is drafting a ban on imports of new Chinese data center components, while the Federal Communications Commission is preparing import restrictions on Chinese optical transceivers used for high-speed fiber data transmission in data centers, with a plan to roll out the measures within this year. U.S. Treasury Secretary Bessent said an agreement with Iran could be reached as soon as tomorrow, reopening the Strait of Hormuz. In hardware, SK hynix and SanDisk released the first HBF, or high-bandwidth flash, standard through OCP and presented related AI memory solutions at FMS 2026 in Santa Clara, California. The roundup also cited a warning from Huawei’s semiconductor chief, who said Nvidia’s chip scaling is nearing physical limits and could trigger an “avalanche” if it passes a critical threshold. JPMorgan said it still favors a “technology + cyclicals” stock allocation and recommended healthcare as a third core theme. In crypto funds, U.S. spot Bitcoin ETFs recorded net inflows of $170.1 million yesterday, while spot Ether ETFs posted net outflows of $11.9 million.
BlockBeats reported on Aug. 4 that six items were leading the U.S. premarket news cycle.
- The Trump administration is drafting a ban that would block imports of new Chinese data center components. The Federal Communications Commission is also planning import restrictions on Chinese optical transceivers, which are used for high-speed fiber data transmission in data centers, and wants the measures to be announced and take effect within this year.
- U.S. Treasury Secretary Bessent said an agreement with Iran could be reached as soon as tomorrow, reopening the Strait of Hormuz.
- SK hynix and SanDisk released the first standard specification for HBF, or high-bandwidth flash, through OCP. The two companies also presented related AI memory solutions at FMS 2026 in Santa Clara, California.
- Huawei’s semiconductor chief warned that Nvidia’s chip scaling is approaching physical limits and said crossing the critical point would trigger an “avalanche.”
- A new JPMorgan report said it still favors a “technology + cyclicals” mix in equity allocation and also recommended adding healthcare as a third main investment theme to reduce a portfolio’s correlation with macro factors.
- U.S. spot Bitcoin ETFs posted net inflows of $170.1 million yesterday, while spot Ether ETFs saw net outflows of $11.9 million.
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