Medical testing equipment maker Abbott Labs has lowered its earnings guidance due to “significantly lower recent and projected COVID-19 diagnostic testing demand” after successful vaccine rollouts in Europe and North America. Panjiva’s data shows that U.S. seaborne imports linked to the firm already fell by 6.4% year over year in April after rising by 28.6% in Q1’21. Other importers of test kits have also seen lower shipments with imports linked to Johnson & Johnson and Roche having declined at a rate of 11.8% and 36.9% year over year respectively in April...