Oil headed for the biggest weekly drop since early April as countries in Asia continue to fight persistent Covid-19 outbreaks, highlighting the patchy recovery from the pandemic even as U.S. demand picks up. West Texas Intermediate fell 0.6%, taking the week’s loss to more than 2%, the most since the period to April 9. Singapore will reimpose curbs, Japan plans to extend restrictions, and China saw its first infections in about a month, just as key oil importer India continues to report more than 300,000 cases a day. Crude’s weakness on Friday came amid a broad retreat in commodities. While oil has rallied this year as the roll-out of vaccines aids demand, the gains have stalled since early March amid virus flare-ups in parts of Asia, especially […]