Gold was little changed on Wednesday after climbing for three days, supported by hopes that Europe and the United States would launch more stimulus measures to help shore up their faltering economies. Spot gold was little changed at $1,609.91 per ounce by 0605 GMT, after rising more than 1 percent over the past three sessions. The metal has traded in a range of just over $3 so far in the day. The US gold futures contract for December delivery also traded nearly flat at $1,612.60.