Copper futures for July delivery have unsuccessfully attempted to pierce the upper boundary of the one-month old descending channel (2.695) on Tuesday. The positive momentum in the MACD signals that upside pressures may return in the short-term, but the price may first need to crawl comfortably above 2.711, the 61.8% Fibonacci retracement of the 2.539-2.991 bullish wave, to fuel a stronger buying interest. On the […]