U.S.-based KKR & Co LP has bought a 10 percent stake in Australian copper miner Oz Minerals Ltd, a relatively rare step by private equity into mining that sent Oz shares soaring to their biggest one-day gains in 14 years. Oz shares stood 20 percent higher at A$3.97 at 0435 GMT. It was their biggest one-day rise since the 47 percent jump in April 2001.
