peanuts, sugar beets, sugar cane, sunflowers, raisins, nursery crops, nuts, soybean complex, aquacultural fish farm species such as finfish, mollusk, crustacean, aquatic invertebrate, amphibian, reptile, or plant life cultivated in aquatic plant farms. Diamonds As of 2012, diamond was not traded as a commodity. Institutional investors were repelled by campaign against "blood diamonds", the monopoly structure of the diamond market and the lack of uniform standards for diamond pricing. In 2012 the SEC reviewed a proposal to create the "first diamond-backed exchange-traded fund" that would trade online in units of one-carat diamonds with a storage vault and delivery point in Antwerp, home of the Antwerp Diamond Bourse. The exchange fund was backed by a company based in New York City called IndexIQ. IndexIQ had already introduced 14 exchange-traded funds since 2008. According to Citigroup analysts, the annual production of polished diamonds is about $18 billion. Like gold, diamonds are easily authenticated and durable. Diamond prices have been more stable than the metals, as the global diamond monopoly De Beers once held almost 90% (by 2013 reduced to 40%) of the new diamond market. Other commodity markets Rubber trades on the Singapore Commodity Exchange in units of 1 kg priced in U.S. cents. Palm oil is traded on the Malaysian Ringgit (RM), Bursa Malaysia in units of 1 kg priced in U.S. cents. Wool is traded on the AUD in units of 1 kg. Polypropylene and Linear Low Density Polyethylene (LL) did trade on the London Metal Exchange in units of 1,000 kg priced in USD but was dropped in 2011. Regulatory bodies and policies United States In the United States, the principal regulator of commodity and futures markets is the Commodity Futures Trading Commission (CFTC). The National Futures Association (NFA) was formed in 1976 and is the futures industry's self-regulatory organization. The NFA's first regulatory operations began in 1982 and fall under the Commodity Exchange Act of the Commodity Futures Trading Commission Act. Dodd–Frank was enacted in response to the 2008 financial crisis. It called for "strong measures to limit speculation in agricultural commodities" calling upon the CFTC to further limit positions and to regulate over-the-counter trades. European Union Markets in Financial Instruments Directive (MiFID) is the cornerstone of the European Commission's Financial Services Action Plan that regulate operations of the EU financial service markets. It was reviewed in 2012 by the European Parliament (EP) and the Economic and Financial