SHANGHAI, Sept. 21 (SMM) -- COMEX December gold futures prices opened at USD 1,778.9/oz and closed at USD 1,809.1/oz on September 20th, up USD 30.2/oz or 1.7% from previous trading day, and USD 10.1/oz higher than London’s USD 1,799/oz during the day. Highest and lowest COMEX prices during the day were USD 1,813/oz and USD 1,773.6/oz.

COMEX December silver futures prices opened at USD 39.7/oz and closed at USD 40.1/oz on September 20th, up USD 0.937/oz or 2.39% from previous trading day, and USD 0.92/oz higher than London’s USD 39.18/oz during the day. Highest and lowest COMEX prices during the day were USD 40.3/oz and USD 39.3/oz.

Renewed investor worries following a downgrade of Italy’s debt rating and IMF’s lowering down global economic growth forecast pushed haven demand high overnight, with gold and silver prices closing slightly higher. Investors still have stimulus expectation for the Fed interest rate meeting tonight, and market sentiment is expected to stay cautious at present. Gold and silver prices are expected to remain in fluctuation.