Bids reported in the 1.2650-70 region served to put a base under [USD/CHF] earlier, stymieing selling from a US prime name. The subsequent post-CPI bounce has lifted the pair through a band of offers in the 1.2700-20 area, though more are said to lie around 1.2750. The move has been aided somewhat by a reversal of Eur/Chf sales as Iran-nuclear tensions relax - for the moment. Slightly softer than f/c Mar Swiss PPI has also served to undermine the Chf modestly, though not sufficiently to revive carry trade activity given edgy global environment.