BlockBeats News, July 21st, a summary of key pre-market news in the US stock market:

1. Trump will impose new tariffs on dozens of countries as soon as this week;

2. Trump has agreed to the ethical provisions of the "CLARITY Act," nearing a Senate vote;

3. The "hidden debt" of the five major US tech giants has soared to $16.5 trillion;

4. JPMorgan Chase CEO: Investors underestimate market risks, not buying stocks or long-term U.S. Treasuries at the moment;

5. Goldman Sachs: If the Hormuz Strait remains blocked for a long time, international oil prices may exceed $120 per barrel by the end of the year;

6. AI storage demand surges again: NVIDIA's CMX may consume over 100 million TB NAND next year, with Samsung already beginning supply.