1. Trump announces tariffs on polysilicon and its derivatives.
2. Media: Democratic Republic of Congo bans exports of copper and cobalt concentrate.
3. US Saudi crude oil imports fell to zero in July, the first full-month disruption in over 40 years.
4. Industry insiders: The proposed Straits Treaty between Iran and Oman faces dual obstacles of US sanctions and insurance.
5. World Gold Council: Gold prices were flat in July; future trends depend on real interest rates, the US dollar, and central bank responses.
6. Gold prices in Shuibei rose by nearly 50 yuan in two days, indicating a significant shift in the logic behind gold purchases.
7. Southern Crude Oil LOF's premium exceeded 20%, triggering a trading halt; the fund company issued an emergency risk warning.
8. The Huatai-PineBridge China-Korea Semiconductor ETF's excessive premium triggered a temporary trading halt.
9. The Huatai-PineBridge Nasdaq ETF's premium widened; the fund company warned of trading risks.
10. The Bosera S&P 500 ETF traded at a premium; the fund company warned of arbitrage risks.
11. Global chip LOF premium exceeds 30%, triggering trading halt and risk warning.
12. E Fund crude oil LOF premium is nearly 19%, fund company issues risk warning.
13. Invesco Nasdaq Technology ETF premium exceeds 23%, triggering trading halt and risk warning.
14. Harvest Crude Oil LOF premium exceeds 13%, fund company warns of chasing high prices.
15. ChinaAMC S&P 500 ETF trades at a premium, fund company warns of chasing high prices.
16. ChinaAMC Nasdaq ETF continues to trade at a premium, fund company issues urgent risk warning.
17. Harvest Nasdaq ETF premium exceeds 11%, triggering trading halt and risk warning.