1. The political turmoil in the world

2. The prevalence of terrorism

3. The depreciation of the US dollar has caused the United States to have a "double deficit"

4. Crude oil Prices fluctuate violently and rise

5. Central banks of various countries continue to increase gold reserves

6. Frequent natural disasters: tsunamis, hurricanes

7. Economic instability factors : Financial scandals, ongoing strikes

8. High-risk epidemic diseases spread widely: SARS, bird flu

9. Inflation after the financial crisis

10. Low interest rate environment

11. Rising demand for physical gold

12. Major central banks increase the proportion of gold in foreign exchange reserves