Antimony prices in China may extend a rally to a record 100,000 yuan ($15,177) a metric ton, after almost doubling last year, as supplies of the metal used in car batteries remain constrained, industry analysts said."A move to 100,000 and beyond is not impossible," said Geng Nuo, a Beijing-based analyst at Great Wall Securities Co. "Even at higher prices, people will still have to buy as there are no real substitutes
