Riverstone Energy share buyback programme marches on after £158m spending spree Investing Riverstone Energy’s underlying assets per share ticked up seven per cent over the last six months, as the company continued an aggressive share repurchase programme. Riverstone’s monster share buyback programme has helped the energy-focused investment trust outperform its peer group over the past one and three years. The trust’s share price has returned 42.2 per [...]