SPDR Gold Trust bullion holdings fall nearly 3 pct

LONDON, Sept 11 (Reuters) - The world's largest gold-backed exchange-traded fund, New York's SPDR Gold Trust (GLD), said its holdings fell 16.85 tonnes, or nearly 3 percent, on September 10 to a three-month low.

The trust, which issues exchange-traded securities backed by physical stocks of gold, now holds some 614.35 tonnes of gold, its lowest level since June 19.

Gold buying by ETFs has been a key factor in pushing gold prices higher in recent years, and analysts say a major sell-off of ETF holdings could have a major impact on price.

Spot gold XAG= was trading at $743.50/744.70 an ounce at 0857 GMT, down from $752.55/754.15 in late New York trade on Wednesday and more than 25 percent off the all-time high of $1,030.80 it hit in March.

(Reporting by Jan Harvey; Editing by Michael Roddy)