Spot gold prices held steady on Wednesday, off a three-month low hit in the previous session, supported by strong physical demand in Asia, as investors await the US Federal Reserve's rate decision and more economic data for direction. Spot gold was little changed at $1,333.29 an ounce by 0337 GMT, off the three-month low at $1,322.70 hit on Tuesday. Spot silver edged up 0.3 percent at $26.93, after falling to a two-month low of $26.54 on Tuesday.