Gold extends gains after US dollar drops

SINGAPORE, Dec 20 (Reuters) Gold extended gains on Wednesday as the US dollar fell against the euro, elevating the metal's safe-haven appeal.

-- Spot gold hit an intraday high of $622.75 an ounce, higher than $621.70/623.20 late in New York on Tuesday, when it gained around 1 percent following a drop in the dollar against the euro and surprising gains in U.S. producer prices.

-- Investec Australia pegged support at $620 and resistance at $636.

-- The new benchmark gold futures contract on the Tokyo Commodity Exchange, December 2007, was at 2,389 yen per gram. It started trading at 2,391 yen.

-- The euro rose to $1.3206 .

-- Silver edged up to $12.70/12.75 an ounce from $12.62/12.69 an ounce in New York.

-- Platinum fell to $1,116/1,121 an ounce from $1,118/1,123 an ounce.

-- Palladium rose to $324/329 an ounce from $318/323.

REUTERS PKS RN0607