After racing up to near one-year highs, antimony and indium prices have throttled back as hesitant buyers hold out for cheaper material.

Antimony, which saw offers out of China nearing the $7,000-a-tonne mark at the start of October, is now trading in a range of $6,300 to $6,600 in the United States, traders told AMM.

The earlier run-up was the result of supply concerns following a summer of severe flooding in a number of antimony-producing regions in China, as well as a fatal accident and subsequent mine suspension at Hsikwangshan Twinkling Star Co. Ltd. in China's Hunan province. Since...