Spot gold was up 0.1% at $1,787.50 per ounce by 0958 GMT, after hitting its highest since Aug. 6 at $1,795.25 in the previous session. U.S. gold futures edged 0.1% higher to $1,790. Gold prices edged higher on Wednesday, as concerns over the spread of the Delta variant of the coronavirus buoyed bullion’s appeal and