BHP and Rio Tinto fall, Qantas higher

At lunch on Friday, the S&P/ASX 200 Index (ASX: XJO) has fought back from a poor start and is edging higher. The benchmark index is currently up 0.1% to 7,421.2 points.

Here’s what is happening on the ASX 200 today:

Mining giants drag on ASX 200

One…