Graphic Packaging Holding Company reported first quarter 2024 results. Net sales decreased 7% to $2,259 million in the first quarter of 2024, compared to $2,438 million in the prior year period. The decline was driven by lower open market sales of paperboard (~4%), fewer shipping days (~2%), input cost pass through in Europe (~1%), and lower days-adjusted sales (~1%).  Net acquisitions and divestitures had a $15 million favorable impact on sales in the quarter, while foreign exchange had a...