* SPDR Gold TrustGLD, the world's largest gold-backed exchange-traded fund, said its holdings fell 0.36% on Wednesday. Sept 7 (Reuters) - Gold lingered near a one-week low on Thursday following five consecutive sessions of declines, while the dollar sat atop mid-March highs after data showed the U.S. services sector unexpectedly gained steam in August. * World stock indexes fell while the benchmark U.S. Treasury yield rose and the U.S. dollar hit its highest in six months after stronger-than-expected U.S. services sector data on Wednesday suggested inflation pressures remain.