A new report from GreySpark Partners shows how investment bank equities trading businesses are returning to profitability in 2015 after a sustained period of declining revenues following the onset of the financial crisis. However, in order for those businesses to remain profitable in the future, the report argues that banks must choose between the operational costs and demands associated with running a global equities trading franchise versus running a business that is focused on meeting the needs of specific types of clients on region-by-region basis.