China’s electric vehicle (EV) giant BYD saw its earnings jump 30 per cent in the three months from April to June, ending a five-quarter losing streak as buoyant overseas sales and premium models enhanced its net margin and profitability. The Shenzhen-based carmaker, also the world’s largest EV builder, posted a net income of 8.2 billion yuan (US$1.2 billion) in the second quarter, up 30 per cent year on year. The quarterly performance beat a consensus estimate of 8 billion yuan in a Bloomberg...