At this point, on September 6, 20 1 1, gold rose to the highest point 19 12 USD/oz. There are many factors that affect the price of gold, including American economic data and monetary policy, politics, military affairs, oil and so on. Among them, CPI, GDP, PPI, non-agricultural data, factory orders, labor costs, retail sales, net inflow of international trade capital, etc. How these data affect the trend of gold and silver, I won't go into details.