Why BHP, Rio Tinto and Fortescue shares are ending the week on a high note

BHP Group Ltd (ASX: BHP), Rio Tinto Ltd (ASX: RIO) and Fortescue Ltd (ASX: FMG) shares are enjoying a strong end to the week.

Rekindled investor interest is seeing all three of the S&P/ASX 200 Index (ASX: XJO) mining stocks outpace the benchmark in morning trade on…