* Dollar rally, oil losses prompt profit taking in gold
* Bernanke's warning on US debt undercuts inflation appeal
* Gold faces tough resistance ahead of $1,000/oz barrier (Recasts, updates with quotes, closing prices, market activity, changes dateline, pvs LONDON)
By Frank Tang
NEW YORK, June 3 (Reuters) - Gold futures ended about 2 percent lower on Wednesday, posting their biggest one-day percentage drop in almost two months as a dollar rally and tumbling oil triggered heavy profit taking.
A broad-based commodities retreat led by heavy losses in oil prompted bullion investors to take profits as the dollar rebounded sharply amid weaker U.S. economic indicators and steep losses on Wall Street.
Analysts said that the inverse relationship between gold and the dollar seemed to be reasserting itself. Earlier this year, the traditional link broke down because both assets benefited from a flight to safety amid economic fears.
U.S. August futures <GCQ9> settled down $18.80, or 1.9 percent, at $965.60 an ounce on the COMEX division of the New York Mercantile Exchange. Wednesday's drop marked the biggest one-day percentage fall for the August contract since April 6.
Spot gold <XAU=> traded at $961.95 at 2:30 p.m. EDT (1730 GMT), sharply lower than the $980.85 an ounce late in New York on Tuesday.
James Steel, chief commodities analyst at HSBC, said that Federal Reserve Chairman Ben Bernanke's warning on corralling U.S. debt reassured that the government was wary of increasing borrowings, and that undercut gold's appeal as a hedge against inflation. [
]The dollar posted sharp gains as a weaker-than-expected U.S. ADP private-sector job report reminded investors that the road to recovery may not be as smooth as many initially thought. [
]That rekindled demand for the greenback, with comments from Asian officials that Asia would keep buying U.S. Treasuries even if the U.S. credit rating were to be cut also boosting the currency. [
]TOUGH RESISTANCE
Commerzbank trader Rory McVeigh said the precious metal was likely to encounter heavy resistance on its way up to the key $1,000-an-ounce mark. Gold's record high lies just above that level at $1,030.80.
HSBC's Steel also noted that the gold market has approached the $1,000-level several times in the last two years, and each time it has corrected sharply following a rally.
"The market has become overbought. We may have to correct a little further," Steel said.
In mining news, South Africa's gold producers on Wednesday improved their wage offer to workers to 6 percent as pay talks entered the second of five rounds, but unions rejected the proposed increase and threatened to strike. [
]Silver <XAG=> was at $15.26 an ounce, down more than 4 percent from its previous finish of $15.94. The world's largest silver exchange-traded fund, the iShares Silver Trust <SLV>, said its holdings dipped by 3.11 tonnes on Tuesday but remain near record levels. [
]Spot platinum <XPT=> was at $1,235.00 an ounce, against $1,238.50 late in New York on Tuesday, while spot palladium <XPD=> was at $240.50 against $246.50.
Both remained depressed by the lackluster outlook for the car industry, consumer of around half global supply of the metals.
Data released on Tuesday showed U.S. auto sales fell nearly 34 percent in May from a year earlier, but aggressive discounting helped steady results. [
]Analysts said that even a mild upturn in auto demand should help support platinum group metals prices. (Additional reporting by Jan Harvey and Pratima Desai; Editing by Christian Wiessner)