4 reasons to buy Rio Tinto shares today

Rio Tinto Ltd (ASX: RIO) shares are charging higher today.

Shares in the S&P/ASX 200 Index (ASX: XJO) miner closed yesterday trading for $118.32. In late morning trade on Wednesday, shares are changing hands for $120.87 apiece, up 2.2%.

For some context, the ASX 200…