【Golden Morning News | Key Overnight Developments on July 21】21:00-7:00 Keywords: Tariffs, Musk, Ohio 1. US media: Trump administration reviews contracts of Musk's company; 2. US Secretary of Commerce: Powell keeps interest rates too high; 3. US Secretary of Commerce: Small countries must pay a baseline tariff of 10%; 4. British media: London Stock Exchange Group considers launching 24-hour trading; 5. Ethereum's market capitalization exceeds that of Vanguard Group, rising to 28th in global asset market capitalization ranking; 6. Ohio Public Employees Retirement System increases holdings by 21,499 shares of Strategy stock in Q2; 7. Jensen Huang takes action again: As NVIDIA's stock hits a new high, cashing out over ten million dollars in one day.