NEW YORK Gold rose to its highest since May on Tuesday, gaining 1 percent, on speculation the European Central Bank will act to help Spain and Italy, while platinum also hit a 3-1/2 month high as violence at a South African mine raised concerns about supplies.
The yellow metal, on track to post its biggest one-day rise in almost a month, extended its rally to a fifth straight session on reports the ECB was moving to ease Spanish and Italian borrowing costs.
Technical support helped as gold rose above its 100-day moving average, but analysts said its 200 DMA could form the next resistance. Bullion buying also was fueled by a four-year high on Wall Street and sharp gains in other commodities led by crude oil and grains.
"There is still an overriding fear that the equities markets have appreciated beyond the point of sustainability so there is a level of fear and desire for diversification into gold," said Jeffrey Sica, chief investment officer at SICA Wealth Management.
"The economic numbers around the world have not proven to justify a recovery without the anticipated liquidity created by central banks," said Sica, whose firm manages $1 billion in assets.
Spot gold hit a high of $1,641.20 an ounce, the highest since May 7. It was up 1.1 percent at $1,637.71 an ounce by 12:01 p.m. (1601 GMT).
U.S. gold futures for December delivery were up $17 at $1,640, with trading volume largely on track to finish near its 30-day average, preliminary Reuters data showed.
Silver was up 1.7 percent at $29.26 an ounce. Earlier in the session, it reached its highest since early June at $29.42 an ounce.
Talk of more stimulus ran rampant as Greece's prime minister will meet German Chancellor Angela Merkel, French President Francois Hollande and Eurogroup chief Jean-Claude Juncker this week to try and secure more funding from the European Union, International Monetary Fund and ECB.
Traders referred to a story in Britain's The Daily Telegraph newspaper, which said it could confirm earlier reports in German media that ECB experts were examining plans to effectively cap Spanish and Italian bond yields.
However, an ECB spokeswoman, when asked about the Telegraph story, referred back to the ECB's statement on Monday when it said it was misleading to report on policy decisions that had not been taken.
(2012 asset returns: link.reuters.com/muc46s)
PLATINUM HITS HIGHEST SINCE MAY
Platinum touched its highest since early May at $1,508.25 an ounce and was last at $1,498.49 an ounce, up 0.9 percent. Its recent rise has made it this year's best performing precious metal, up more than 7 percent.
Platinum has been the biggest climber of the last seven days, up more than $120 an ounce week-on-week on Tuesday, due to violence that killed more than 40 people at a mine operated by Lonmin, the world's third-largest platinum producer.
Spot palladium rose 2.4 percent at $617.75 an ounce. It also rode gold and platinum's coat-tails to its highest since late June on Tuesday at $621.25,
(Additional reporting by Jan Harvey in London; Editing by Bob Burgdorfer)