Abstract gold, knowing love special commodity, it is a symbol of wealth. Since ancient times, emperors or whether people are all gold, for the respect, for your gold. Gold value stability, high mobility advantages, portfolio contains gold with better risk preparedness, Gold is an effective portfolio distributor, gold investors to realize gains in several top risk minimization. Gold investors are most concerned about is the price of gold and gold supply and demand, the official gold sales, exchange rate changes, the world economic situation, inflation, a major international politics, political instability, war, the stock market, hedge funds and so on are affected by fluctuations in the gold price factors. October 30, 2002, the Shanghai Gold Exchange opened Business, "first bucket of gold" status settled,