Base metals rebounded in pre-market trading on the London Metal Exchange on Wednesday, finding support as oil prices retreated from two-and-a-half-year highs. All metals were trading above their opening price, with the three-month copper contract rising back to $9,573.25 per tonne at 10:44 GMT, having opened $9,530 per tonne. The red metal opened unchanged from the kerb close price on Tuesday, and rallied moderately as concerns that inflation fuelled by high oil prices will derail the...