Here’s a summary of the provided text:
* **Trump’s Tariff Letters:** President Trump sent letters to 12 countries announcing new tariffs (25-40%) starting August 1st, essentially restating previous trade threats.
* **Market Impact:** U.S. markets fell due to the tariff announcements.
* **Other Market News:**
* Tesla shares dropped after Elon Musk announced a new political party.
* Samsung Electronics forecasts a significant profit decline.
* Analysts advise caution in the Chinese tech market.
* **Laopu Gold’s Success:** Chinese jeweler Laopu Gold opened its first overseas store in Singapore, experiencing high demand and strong sales growth.