New Delhi, April 23 -- Base metals witnessed a mixed and volatile trading tone on Thursday, 23 April influenced by changing global signals that maintained fragile sentiment. Initially, prices found support from hopes regarding a possible extension of the ceasefire in Iran, but those gains diminished as uncertainty surrounding the discussions and escalating geopolitical tensions affected risk appetite.

Copper prices drove the activity, retreating from its highest levels in over seven weeks as the U.S. dollar increased in value. The three-month contract on the London Metal Exchange (LME) fell by 0.23% to $13,292.50 per tonne after earlier rising to $13,481.50, its peak since late February, according to Reuters news report.

Meanwhile, on t...