Cushing® Asset Management and Swank Capital Announce Rebalancing of The Cushing® Energy Index PR Newswire DALLAS, Nov. 20, 2019 DALLAS , Nov. 20, 2019 /PRNewswire/ -- Cushing ® Asset Management, LP, and Swank Capital, LLC, announce today the upcoming rebalancing of The Cushing ® Energy Index (the "Index") as part of normal index operations. After the markets close on November 29, 2019, the constituents of the Index will be rebalanced, and the following changes will become effective on...