• Platinum at 17-Month High on Investment, Industrial Demand- Platinum climbed to a 17-month high on speculation investment and industrial demand will increase. Gold rose as the dollar weakened. Palladium advanced for a fifth day to the highest since July 2008. The metal held in ETF Securities Ltd.' s exchange - traded commodities products rose 2.6 percent to a record 679,938 ounces on Jan.15, according to the company's Web site.