Falling oil prices boosted demand for risk assets and provided material support to gold markets. Reports indicated that Iran was expected to send its response in the next two days.If U.S. and Iran announce that they will start a new round of official negotiations, oil prices will find themselves under more pressure, which will be bullish for gold markets. Such negotiations could take place next week in Pakistan’s capital Islamabad.Traders should note that geopolitical situation remains extremely volatile, s ...