SNAPSHOT: Equities mixed, Treasuries up, Crude up, Dollar down, Gold up.REAR VIEW: US Treasury increasing the size of liquidity support buyback operations for longer-dated nominal coupon securities at least double; FOMC Minutes show; Weak 20yr bond auction; EIA crude stocks unexpectedly build, SPR falls; US reportedly set to halve tariffs on Canadian steel and aluminium in trade deal; Mixed UK CPI; MRK & MRNA vaccine succeeds in preventing melanoma from returning;SK Hynix to buy back KRW 40tln in treasury sharesCOMING UP: Data: Japanese Trade Balance (Jul), Chinese LPR (Aug), Australian Jobs Report (Jul), German PPI (Jul), Canadian PPI (Jul), US Initial Jobless...