In a somewhat shockingly honest admission of the frgaility of the global financial system, Chinese Premier Li warns that a disillusioned British butterfly has flapped its wings and the entire global financial system could collapse. Responding to the plunge in offshore Yuan since the Brexit vote (down 7 handles to 5-month lows over 6.65), PBOC devalued Yuan fix by 0.9% (6 handles) – the most since the August crash – to Dec 2010 lows. Finally, we note USD liquidity pressures building as EUR-USD basis swaps plunge.