Instability in stock and foreign exchange markets has resulted in booming trading revenue for banks, more than forty-four percent (44%) y-o-y and an astounding three hundred and thirty-four percent (334.8%) since last quarter. The controller for overseas banks, Office of the Comptroller of the Currency stated that consolidated bank holding company (BHC) trading performance offers a comprehensive image of trading income in the banking system. Consolidated holding company trading income of nearly twenty-five billion ($24.9 B) in the initial months of 2019 was more than nineteen billion dollars ($19.1 billion) which is more than three hundred and thirty-four percent (334.8%)