Why this top broker just upgraded Rio Tinto shares

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Rio Tinto earns the bulk of its revenue mining iron ore. Why this top broker just upgraded Rio Tinto shares 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 Rio Tinto Ltd (ASX: RIO) shares are up 2% in afternoon trade on Thursday. Shares in the S&P/ASX 200 Index (ASX: XJO) iron ore miner closed yesterday trading for $113.39. At time of writing shares are changing hands for...