GLOBAL MARKETS-Stocks steady after selloff, oil falls further

* Copper posts largest drop in a month, gold rises again * Snow-blasted Wall Street hovers near unchanged * Euro runs into profit-taking, yen gets a lift By Rodrigo Campos NEW YORK, Jan 3 (Reuters) - A global gauge of equities dipped on Friday after kicking off the first trading day of the new year with a sharp loss, while the rebound in gold continued and crude prices fell further. Copper prices posted their largest daily drop in a month, hit by concerns over Chinese growt