http://traderfeed.blogspot.co.uk/2015/12/trading-with-creativity-finding.html

"One trader thinks about the stock market for 2015, pulls up a chart of the ES futures or SPY ETF, and declares the environment as hopelessly "choppy", with no good trends to trade.  Another trader breaks the market into sectors per the FinViz graphic below

and sees a rotational environment during 2015, with plenty of trends when one sector is traded against another.  "