ALBAWABA — Shares in Rolls-Royce Holdings Plc jumped more than 20 percent on Thursday on the back of its earnings report and its management pledging that there was “much more” to come. Traders looked past a hefty almost 1.3 billion British pound sterling net loss for last year on an accounting charge linked to foreign exchange valuations, while recording profit after tax of 120 million GBP in 2021. Rolls’ shares ...