ソース:[1] RBC Capital Downgrades Graphic Packaging Holding (GPK) (https://fintel.io/news/rbc-capital-downgrades ...)[2] Graphic Packaging downgraded by RBC on inflation, oversupply, cost overruns (https://vertexaisearch.cloud.google.com/groun ...)[3] Graphic Packaging downgraded by RBC on inflation, oversupply, cost overruns - Seeking Alpha (https://vertexaisearch.cloud.google.com/groun ...)