Gold futures fell to the lowest level in almost three weeks during European morning hours on Monday, as uncertainty over Spains position on formally requesting a bailout from its euro zone partners persisted, boosting demand for the safe haven U.S. dollar.
A wave of technical selling further weighed after futures broke below a key support level.
On the Comex division of the New York Mercantile Exchange, gold futures for December delivery traded at USD1,748.35 a troy ounce during European morning trade, falling 0.65%.
Prices declined by as much as 0.9% earlier in the session to hit a daily low of USD1,743.25 a troy ounce, the weakest level since September 26.
Gold futures were likely to find support at USD1,739.35 a troy ounce, the low from September 26 and resistance at USD1,781.55, the high from October 8.
The U.S. dollar was broadly higher against its major counterparts, as uncertainty over how soon Spain will formally request a bailout curbed demand for riskier assets.
The dollar index, which tracks the performance of the greenback against a basket of six other major currencies, was up 0.07% to trade at 79.85.
Gold prices often move inversely to the U.S. dollar, as gold becomes more expensive for buyers using other currencies.
Market players have been anticipating for the past month that the Spanish government would ask for a full-scale sovereign bailout.
A bailout would allow the European Central Bank to step in and buy Spanish sovereign debt, which would result in reduced borrowing costs for the debt-strapped nation.
But Spain has been reluctant to do so because it may come with conditions on its budget.
European Union policymakers will hold a two-day summit in Brussels starting on October 18 to discuss ways to firewall and extinguish the debt crisis as well as Greece's steps towards fiscal recovery.
Prices came under further pressure after breaking below key support levels close to the USD1,750-level, triggering fresh sell orders amid bearish chart signals.
The precious metal could see further losses in the near-term after having failed to break above the key USD1,800-level earlier in the month.
Gold futures rallied to an 11-month high of USD1,798.05 a troy ounce on October 5, boosted by ongoing expectations policymakers around the world will launch more stimulus to support the weak global economy.
Elsewhere on the Comex, silver for December delivery tumbled 1.15% to trade at USD33.29 a troy ounce, while copper for December delivery shed 0.2% to trade at USD3.696 a pound.
Official data released earlier showed that Chinese consumer prices rose 1.9% in September from the year-ago period, in line with expectations and down from 2.0% in August, while producer price inflation fell 3.6%, also in line with expectations.
The data came after a report over the weekend showed that Chinese exports grew 9.9% on the year in September, above expectations for a 5.5% gain. Imports rose 2.4% from a year earlier, in line with expectations.
Copper traders were now looking ahead to Chinese third quarter growth figures due out on October 18, to gauge whether the world second largest economy is heading towards a hard or a soft landing.
The Asian nation is the worlds largest copper consumer, accounting for almost 40% of world consumption last year.