Commodity market The price of gold bullion fell dramatically on 12 April 2013 and analysts frantically sought explanations. Rumors spread that the European Central Bank (ECB) would force Cyprus to sell its gold reserves in response to its financial crisis. Major banks such as Goldman Sachs began immediately to short gold bullion. Investors scrambled to liquidate their exchange-traded funds (ETFs) and margin call selling accelerated. George Gero, precious metals commodities expert at the Royal Bank of Canada (RBC) Wealth Management section reported that he had not seen selling of gold bullion as panicked as this in his forty years in commodity markets.
Commodity market was the Commodity Research Bureau (CRB) Index, which began in 1958. Its construction made it unuseful as an investment index. The first practically investable commodity futures index was the Goldman Sachs Commodity Index, created in 1991, and known as the "GSCI". The next was the Dow Jones AIG Commodity Index. It differed from the GSCI primarily in the weights allocated to each commodity. The DJ AIG had mechanisms to periodically limit the weight of any one commodity and to remove commodities whose weights became too small. After AIG's financial problems in 2008 the Index rights were sold to UBS and