Copper is flashing a warning sign for China's economy

Copper is waving a red flag.
"Recent movements in copper inventories highlight the lack of significant demand for the metal, particularly in the ever important Chinese market," analysts at BMI Research wrote in a recent note.
The country's demand matters because copper is used to make items as varied as electrical cables and coins, and China is the world's largest importer.
"While the corresponding decline in Shanghai inventories largely offset the jump in [London Metal Exchange], the shift sugg