Copper closed down 0.59% to US$9,881.25 per tonne and only lead managed a gain yesterday on the London Metal Exchange.
"Exports from China missed forecasts, rising 27.9% in dollar terms in May from a year earlier," Marex Spectron's Anna Stablum said.
"Meanwhile, imports soared 51.1%, which was the fastest pace in over a decade, but below forecast at 53.5%."
The iron ore price also softened, with the MySteel 62% Australian fines down 1.18% to $208.50/t.
Mining majors Anglo American and Freeport-McMoRan closed down 3.1% and 1.1% in London and New York respectively.
Gold has risen just over $1,900 an ounce on the spot market, following comments from US Treasury Secretary Janet Yellen who said president Joe Biden's $4 trillion spending plan would be positive even if it led to a rise in interest rates.
Finally, Providence Gold Mines (TSXV: PHD) was a standout in Toronto.
The junior closed up 25% to C10c on confirming a gold discovery target at its "Providence group of mines" property in California, US.
Its focus in recent weeks was on evaluating a stockpile milling site and property-wide field exploration.