The battle for the 4000-point mark. Buy a small amount.GoldOANDA:XAUUSDTop-tier_traderFluctuations in US-Iran tensions have caused market sentiment to swing back and forth; combined with growing expectations of a Federal Reserve rate hike, the price rebound failed to sustain momentum, and an attempt to break the 4,100 level proved unsuccessful. Technically, the moving average system is trending downward across the board, and the Bollinger Bands are slowly widening downwards, signaling a likely continuation of the downward trend in the short term. After a slight rebound during early Asian trading, the upward momentum failed to hold; prices drifted lower during the European and US sessions, showing no signs of a recovery. At present, the most important thing is whether the price can hold the lower Bollinger Band around 4000. If it can stabilize above this price, the market will start a slight price rebound. If it breaks below this level again, the market may retest the low of around 3960 from last week. Short-term trading strategy: Observe the support level around 4000 and try to buy, with a target of 4050-4170.