Industrial metals up on weaker dollar Summary Box: Industrial metals up on weaker dollar Jan 23 04:42 PM US/Eastern METALS RISE: Copper for March delivery gained 5.35 cents to end at $3.7985 per pound. Last week copper rose 3 percent. March palladium rose $13.15 to $688.85 per ounce. April platinum closed up $28.80 at $1,561.10 an ounce. WEAKER DOLLAR: Metals were up because the U.S. dollar fell versus the euro Monday. Because metals and other commodities are priced in dollars, they become cheaper for investors using other currencies when the dollar falls. The euro rose as talks progressed to ease Greece's debt crisis. OIL UP: Benchmark crude oil gained $1.25 to $99.58 per barrel on the New York Mercantile Exchange.