Box demand touches nearly every industry, from flat-screen TVs to packaged food, all of which see sales fluctuate based on how flush shoppers feel. …Sales of corrugated cardboard used to make boxes are slumping, signaling that retail demand across industries may be due for a correction. US box shipments fell to the lowest second-quarter reading since 2015, with companies like International Paper Co. and Smurfit Westrock Plc reporting drops in box shipments. The drop in packaging demand appears to be tied to President Donald Trump’s mixed messaging on tariffs, with companies not stocking up on packaging while they wait to find out how the levies will affect costs and demand. [to access the full story a Bloomberg subscription is required]