Well, today more intervention on behalf of the SNB, imo.
See this post also:
http://eurusd-fx.blogspot.com/2011/10/eurchf-snb-intervention-ahead-of-news.html
No news from SNB itself, but with the number of people involved in decision to intervene and or fix price level, the market probably gets wind before...
On Oct 4th it was a survey of CFOs that sparked buying: Most ever CFOs were negative on the economy.
Today Oct 6th numbers showed the hotels are seeing less and less foreign tourists, most likely due to strong swiss franc. A drop of between 6-10% was reported yoy.