Mumbai, Dec. 8 -- Copper futures are holding at their highest level in over four months above $5.4 mark tracking sustained weakness in greenback and positive cues from equities. The major averages on Wall Street gave back ground after an early advance but remained in positive territory. The Dow rose 104.05 points or 0.2 percent to 47,954.99, the Nasdaq climbed 72.99 point or 0.3 percent to 23,578.13 and the S&P 500 increased 13.28 points or 0.2 percent to 6,870.40. For the week, the tech-heavy Nasdaq advanced by 0.9 percent, the Dow climbed by 0.5 percent and the S&P 500 rose by 0.3 percent. The counter is trading at $5.42 per pound after gaining over 3% last week. On the MCX, copper futures are holding around Rs 1090 per kg, up 1.5% on the...