Copper prices retreated across major exchanges on Thursday following the previous day’s five-month high, as demand worries overshadowed supply constraints from declining Chinese output. Three-month copper on the London Metal Exchange fell 0.42% to $9,934 per metric ton by 0231 GMT, while the most-traded copper contract on the Shanghai Futures Exchange dipped 0.34% to 79,910 yuan ($11,171.69) a ton. China’s manufacturing activity shrank for a fifth straight month in August, suggesting sluggish domestic demand. Marginal weakness in terminal demand may reflect a lackluster peak season, though the widespread shutdown of ... (full story)