Fortescue has been making the most of the rise in iron ore prices above $50 per tonne to repay substantial amounts of debt this year. In May it repaid USD$577 worth of 8.25% 2019 bonds and prior to this, the company has made several early debt repayments during 2015. In 2013 the company had gross debt of USD$13 billion and as at June of last year gross debt was $9.5...