The pullback followed an increase in transaction fees for all iron ore futures contracts on the Dalian Commodity Exchange and a rise in iron ore shipments to China.
Nearly 25 asset management firms and some pension funds are seeking compensation for losses derived from Vale's plummeting share price since the disaster.
One of the prevailing China narratives in commodity markets is that the trade dispute with the United States is weakening demand in the world’s biggest importer of natural resources.