Copper prices more than doubled their losses for the month of April in a single trading session Wednesday. If the industrial metal is a leading indicator of economic activity, that doesn't bode well for copper's outlook, financial markets or the health of the economy.
Copper price fall came after the China PMI
numbers were released,
China's official purchasing managers index for the manufacturing sector declined to 49.0 in April, down from 50.5 in March. A reading below 50 indicates a contraction in manufacturing.