METALS-Steady dollar stymies copper prices

(Updates prices) SYDNEY, Nov 24 (Reuters) - Copper traded in a tight range on Friday, stymied by the U.S. Thanksgiving Day holiday and a stagnant greenback. London copper edged higher for a fifth straight day overnight with the help of U.S. dollar weakness against other currencies. The dollar wobbled in thin trading in Asia, sidelining local investors hoping to boost positions with a stronger home currency. * Three-month copper on the London Metal Exchange rose by 0.4 percent to $6