Why are ASX 200 mining shares are smashing the benchmark on Wednesday?

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Rio Tinto, BHP and Fortescue shares are all charging higher today. Why are ASX 200 mining shares are smashing the benchmark on Wednesday? You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources , and more. Learn More S&P/ASX 200 Index (ASX: XJO) mining shares are racing ahead of the benchmark in early afternoon trade on Wednesday. Here's how the big three mining stocks are tracking at the time of writing: Fortescue Metals Group...