By Eddie SpenceGold and silver posted their biggest weekly losses since March, when the global onset of the coronavirus pandemic panicked markets.The dollar gained as concern over the outlook for global economic growth bolstered the appeal of the currency as a haven, sapping demand for gold. Fears are mounting that rising coronavirus cases, particularly in Europe, may lead to more national lockdowns, denting the outlook for recovery. Gold fell 4.6% this week, while silver slumped 15%.“Both have succumbed to belated long liquidation and pressure generated by the strength in the general dollar index, which is on track for its biggest weekly gain in almost six months,” Edward Meir, an analyst at ED&F Man Capital Markets in New York, said in a note. 78343049The rally in gold, often used as an inflation hedge, has also flagged as the dimming view of the recovery undercuts the outlook for a rise in consumer prices. A lineup of Federal Reserve officials have said the central bank alone ca...