Concerns are emerging regarding the availability of rubber for auto tires, with Carlstar Group stating they will “take materials as fast as (suppliers) can get them to” the firm. The potential shortage falls on an industry already beset by poor semiconductor availability, though a dearth of tires will have a wider impact on secondary market sales heading into the U.S. driving season. So far though U.S. seaborne imports may have surged in March with a 25.2% rise year over year and an increase of 18.7% in Q1’21 overall, the latter being 12.4% above the same level of 20...