COMEX copper pulled back in early Asian trades on Thursday following a near 3% gain in the previous session. The counter is currently quoting at $5.78 per pound, down 0.34% on the day. Rebound in dollar index to a one and half week high and soaring copper inventories are seen weighing on the red metal. Besides, Chinese markets remain shut on New year holidays and overall undertone is choppy. Overnight, adding to the modest gains posted during Tuesday's session, the Nasdaq advanced 175.25 points or 0.8 percent to 22,753.63, the S&P 500 climbed 38.09 points or 0.6 percent to 6,881.31 and the Dow rose 129.47 points or 0.3 percent to 49,662.66.