China's producer deflation deepened to its worst level in almost two years in May while consumer prices extended declines, as the economy grappled with trade tensions and a prolonged housing downturn.

Wall Street investors closely monitoring trade discussions between the US and China drove stocks higher as Commerce Secretary Howard Lutnick said negotiations went really, really well. Treasuries and the dollar saw small moves ahead of a key inflation report.

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The United States is looking to restore the flow of “crucial” rare earth minerals, which were restricted after China’s retaliatory efforts in early April.

Inflation in the U.S. has been surprisingly tame despite the ongoing trade wars, but economists widely expect some increase. Just how much - and for how long - well, there's far less agreement about that.

A strong jobs report on Friday added more fuel to a rally that has lifted the S&P 500 to within 2.4% of its all-time high.