Due to the pandemic, American packaged food companies are changing their strategy by stockpiling more raw materials to maintain production and meet demand for pantry staples. Companies like Campbell Soup Co. and Bobo's are buying larger quantities of ingredients to have a buffer against supply chain disruptions. This shift is a departure from the previous strategy of just-in-time inventories. The article also discusses the challenge of cash flow with increased inventory and the potential impact of a second wave of coronavirus infections.