This specific reason is very complicated. You can also search for many articles on the Internet. This is my understanding

1. Gold has been rising for more than ten consecutive years and has accumulated a large amount of profits. Nothing can only rise but not fall (except for the Chinese property market^_^), especially when the financial crisis is in depth, there are a large number of people who want to short and make money to close their positions

2. The U.S. economy is unique, and the United States The stock market has hit a record high, attracting funds from around the world. The U.S. stock market is the second largest market after the foreign exchange market, and the source of funds also includes the small market of gold. Among European and American investors, gold only accounts for a small part of their investment. Moreover, there has been a practice in the past that if the stock margin is insufficient, gold will be sold to supplement it. Therefore, the gold market, which is not a big one in the first place, is constantly drained, and the trading volume of Comex gold futures in the United States is very sluggish

3. Anyone who knows futures knows that it is difficult for a market with huge capacity and good lubrication to be One or several institutional bankers control the market, and the market maker determines the trend by itself. This is a good opportunity that big capital dreams of, so that it can squander the opponent's funds at will. The gold market offers this possibility.

4. You know Cyprus, a rogue country, which just provides another good excuse for the organization.

5. As for Goldman Sachs, they are just doing publicity. They have made short orders very early to build momentum for the bull market