Copper Titans Gather as Glut Overshadows Quakes in Chile

The world’s strongest earthquake in a year and hundreds of aftershocks rattled the copper-rich Atacama Desert last week, forcing almost a million people to seek refuge from tsunamis. The copper market barely reacted.

The metal is down 0.7 percent in London since Anglo American Plc to Antofagasta Plc temporarily halted some operations after an 8.2-magnitude temblor struck on the evening of April 1. Investors’ indifference is explained by surging global output at a time of waning Chinese demand growth.