* SPDR Gold Trust GLD, the world's largest gold-backed exchange-traded fund, said its holdings fell 0.2% to 1,000.26 tonnes on Tuesday, its lowest level since April 2020. Sept 1 (Reuters) - Gold prices held steady on Wednesday as investors awaited a key U.S. jobs report for clues on when the Federal Reserve might start reducing its pandemic-era stimulus measures. * Euro zone inflation surged to a 10-year high this month with further rises still likely to come, challenging the European Central Bank's benign view on price growth and its commitment to look past what it deems a transient increase.