ソース:[1] Scotiabank Upgrades Duke Energy (DUK) (https://fintel.io/news/scotiabank-upgrades-du ...)[2] Scotiabank upgrades Duke Energy stock to Sector Outperform on strong fundamentals (https://vertexaisearch.cloud.google.com/groun ...)[3] Duke Energy (DUK) Receives Upgrade from Scotiabank with Optimistic Outlook - GuruFocus (https://vertexaisearch.cloud.google.com/groun ...)