"Typically, we have a huge tailwind in December from buyback action,"
http://www.businessinsider.com/goldman-on-buybacks-and-market-volatility-2015-12
http://www.businessinsider.com/goldman-on-buybacks-and-market-volatility-2015-12

%%%%%%%%%%%%%%%%%%%%I still wonder if it a wise strategy to listen to those "old advices", like "sell in may and go away". If you look at the records they are often verified, but who knows for tomorrow ?