RPT-UPDATE 1-New faces at Rio, BHP woo investors with austerity talk
May 14, 2013 at 19:46 PM EDT
LONDON , May 14 (Reuters) - New bosses at two of the world's largest mining companies, BHP Billiton and Rio Tinto , wooed investors on Tuesday with promises to slash billions of dollars of spending and press ahead with asset sales, boosting returns.
