Mumbai, April 30 -- COMEX copper retreats from a near one-month high and is currently quoting lower by more than 1% at $4.81 per pound in early Asian trades. Yesterday, the counter soared amid reports that China is downplaying the potential impact from global trade war. However, dollar strength overseas is adding pressure on the red metal although positive cues from US equities amid positive developments on the trade front is helping cushion downside for the commodity. The major averages on Wall Street ended the day off their highs of the session but still firmly positive. The Dow jumped 300.03 points or 0.8 percent to 40,527.62, the S&P 500 climbed 32.08 points or 0.6 percent to 5,560.83 and the Nasdaq rose 95.18 points or 0.6 percent to 1...