Prices of main and precious metals on international trade floors by trade results on May 11, 2011

/IRBIS, May 12, 2011/ - Prices of main and precious metals on international trade floors on SPOT terms according to trades results on May 11, 2011. ------------------------------------------------ Trend (in %) for ------------------------------------------------ May 11, since since 2011 1 day 1 month 2011 2010 ------------------------------------------------ Main metals ------------------------------------------------ copper 8,750.50 -2.1 -10.5 -7.5 1.2 aluminum 2,618.50 -1.2 -1.3 +7.1 +17.7 zinc 2,136.00 -1.2 -14.4 -11.3 -17.0 nickel 24,435.00 -1.5 -10.9 -0.9 1.3 times lead 2,359.00 -0.9 -19.7 -8.2 -3.8 ------------------------------------------------ Precious metals ------------------------------------------------ gold 1,501.10 -1.0 +2.3 +9.3 +34.3 silver 35.50 -7.7 -12.6 +21.7 2.0 times platinum 1,777.80 -1.3 -1.2 +2.7 +17.2 ------------------------------------------------ The data in the table are based on information of COMEX (Commodity Exchange of New York a concern of NYMEX) and London Metal Exchange. Prices on main metals are quoted in USD per ton on precious metals - in USD per troy ounce. [2011-05-12]