Mumbai, April 28 -- Copper steadies around $4.80 mark on Monday morning in Asia tracking after sliding from a near three-week high amid strength in dollar overseas. However, positive cues from equities are likely to reduce downside in the red metal that is currently seen quoting at $4.80 per pound. The Nasdaq and the S&P 500 ended Friday firmly positive, closing higher for the fourth straight session. The Nasdaq jumped 216.90 points or 1.3 percent to 17,382.94 and the S&P 500 climbed 40.44 points or 0.7 percent to 5,525.21, while the narrower Dow inched up 20.10 points or 0.1 percent to 40,113.50. For the week, the Nasdaq spiked by 6.7 percent, the S&P 500 surged by 4.6 percent and the Dow shot up by 2.5 percent. MCX copper is seen just und...