"In the recent environment of low volatility, and with high valuations across assets, we are inclined to keep cash reserves to take advantage of more attractive entry points in case of shocks. Potential ‘growth shocks’ continue to loom until year-end as political risks remain elevated, given the upcoming US presidential elections and Italian referendum, and the UK government’s plan to trigger Article 50 by March 2017."
http://www.zerohedge.com/news/2016-10-10/goldman-tells-clients-go-cash-growth-shocks-are-coming