In the coming days, investors will keep a close eye on how Corporate America mitigates the impact on earnings from supply chain disruptions, labor shortages and higher costs, especially in the wake of rising oil prices. Walt Disney DIS.N fell 1.9% after Barclays downgraded the media giant's stock to "equal weight" from "overweight". By Devik Jain Oct 18 (Reuters) - Wall Street's main indexes were set to open lower on Monday as economic growth in China slowed, while a relentless surge in oil prices fueled concerns about elevated inflation.