A sweeping expansion on derivative product categories affected by the 50% steel and aluminum tariffs took effect Monday, the latest in a series of recent trade developments, including another 90-day pause on triple-digit China levies and India facing a doubling of its rates. The Commerce Department posted a Federal Register notice late Friday stating the steel and aluminum levies would extend to 407 more product codes under the Harmonized Tariff Schedule. Michigan State University supply chain Prof. Jason Miller estimated the changes would mean exposure for $320 billion of imports based ... Log in to view full article.